/** Check norm of difference of Matrices. * */ private static void check(Matrix X, Matrix Y) { double eps = Math.pow(2.0, -52.0); if (X.norm1() == 0. & Y.norm1() < 10 * eps) return; if (Y.norm1() == 0. & X.norm1() < 10 * eps) return; if (X.minus(Y).norm1() > 1000 * eps * Math.max(X.norm1(), Y.norm1())) { throw new RuntimeException( "The norm of (X-Y) is too large: " + Double.toString(X.minus(Y).norm1())); } }
/** * Creation of one muscle. * * @param moment nb_segment lines, 3 col : On each line, the influence on the given joint as in * moment[i,0]+moment[i,1]*sin(moment[i,2]*angle) * @param minL0 minimum size of muscle * @param maxL0 maximum size of muscle */ public SimpleMuscle() { // Init _ln = _minL0.copy(); _vn = new Matrix(1, _ln.getColumnDimension(), 0); _tn = new Matrix(1, _ln.getColumnDimension(), 0); _t = new Matrix(1, _ln.getColumnDimension(), 0); _cpl = new Matrix(1, _minA.getColumnDimension(), 0); // ratio l/l0=k // _k = (_maxL0-_minL0) / JamaU.dotP(_mom, _maxA.minus(_minA)); _k = (_maxL0.minus(_minL0)).arrayRightDivide((_maxA.minus(_minA)).times(_mom.transpose())); _k = _k.uminus(); }
private Matrix walk() throws IOException { // Step 0. Initialise transition probabilities this.logger.showTimedMessage("Initialise transition probabilities"); Matrix P = this.initialiseTransitionProbabilities(); logger.showMemoryUsage(); // 2. initialise random walkers. // keep in mind that this makes sense because of the way the indexes were // loaded into this.goTermIndex. Otherwise, we would have to retrieve // from this.goTermIndex Matrix W = new Matrix(this.getNumGoTerms(), this.getNumGoTerms()); for (int i = 0; i < this.getNumGoTerms(); i++) { W.set(i, i, 1.0f); } // walk! Matrix W_star = W.copy(); double convergence; // int i=0; do { W = W_star; W_star = P.times(W); convergence = W_star.minus(W).normF(); this.logger.showTimedMessage( "\t Convergence difference: " + (new Double(convergence)).toString()); // this.logger.showTimedMessage("\t Doing iteration i=" + i); // i++; // }while (i<15); } while (convergence > this.epsilon); return W_star; }
public int classify(double[] inX, Matrix dataSet, List<Integer> labels, int k) { Matrix inXmatrix = arrayToMatrix(inX, dataSet.getRowDimension()); Matrix diffMat = inXmatrix.minus(dataSet); Matrix sqDiffMat = diffMat.arrayTimes(diffMat); List<Double> distances = getSqDistances(sqDiffMat); Integer[] sortedDistancesIndices = argsort(distances); Map<Integer, Integer> classCount = getClassCountMap(labels, k, sortedDistancesIndices); return getMaxVotedClass(classCount); }
private double[] metNewton(double R0, double Z0) { Matrix actuel = new Matrix(2, 1); Matrix prochain = new Matrix(2, 1); Matrix hessienne = new Matrix(2, 2); Matrix gradient = new Matrix(2, 1); Matrix inverse = new Matrix(2, 2); int nPas = 0; boolean trouve = false; // point de depart actuel.set(0, 0, R0); actuel.set(1, 0, Z0); while (nPas <= MAX_PAS && trouve == false) { // Construction de la matrice hessienne au point actuel hessienne = makeHessienne(R0, Z0); // Test si matrice singulaire if (hessienne.det() == 0) { return null; } // Calcul de la matrice inverse inverse = hessienne.inverse(); // Construction du gradient au point actuel gradient.set(0, 0, d_phi_d_R(actuel.get(0, 0), actuel.get(1, 0))); gradient.set(1, 0, d_phi_d_Z(actuel.get(0, 0), actuel.get(1, 0))); // Calcul du prochain point prochain = actuel.minus(inverse.times(gradient)); // Test de la solution if (Math.pow( Math.pow(prochain.get(0, 0) - actuel.get(0, 0), 2) + Math.pow(prochain.get(1, 0) - actuel.get(1, 0), 2), 0.5) < TOLERANCE) { // Solution trouvé trouve = true; } // Actualisation du point actuel actuel = prochain; nPas++; } if (trouve == true) // Si point trouvé, renvoie la réponse { // Conversion de Matrix vers double[] double[] reponse = new double[2]; reponse[0] = actuel.get(0, 0); reponse[1] = actuel.get(1, 0); return reponse; } // Renvoie 0 si la méthode ne converge pas return null; }
@Override public CalcObject subtract(CalcObject b) { if (b.getType() == CType.INTEGER) { IntObject bInt = (IntObject) b; return scalarAdd(-bInt.getValue()); } else if (b.getType() == CType.MATRIX) { MatrixObject bMatrix = (MatrixObject) b; return new MatrixObject(matrix.minus(bMatrix.matrix)); } else { throw new IllegalArgumentException("Bad object type: " + b.getType()); } }
public Matrix autoNormalize(Matrix dataSet) { double[] minVals = new double[dataSet.getColumnDimension()]; Arrays.fill(minVals, Double.MAX_VALUE); double[] maxVals = new double[dataSet.getColumnDimension()]; Arrays.fill(maxVals, Double.MIN_VALUE); for (int i = 0; i < dataSet.getRowDimension(); i++) { for (int j = 0; j < dataSet.getColumnDimension(); j++) { double el0 = dataSet.get(i, j); if (el0 < minVals[j]) { minVals[j] = el0; } if (el0 > maxVals[j]) { maxVals[j] = el0; } } } Matrix minMx = arrayToMatrix(minVals, dataSet.getRowDimension()); Matrix maxMx = arrayToMatrix(maxVals, dataSet.getRowDimension()); Matrix range = maxMx.minus(minMx); Matrix diff = dataSet.minus(minMx); return diff.arrayRightDivide(range); }
private static Matrix rotatedMatrix(Matrix m, Matrix r) { Matrix translationMatrix = new Matrix(m.getRowDimension(), m.getColumnDimension()); for (int c = 0; c < translationMatrix.getColumnDimension(); c++) { // T // x translationMatrix.set(0, c, 2.0); // y translationMatrix.set(1, c, 3.0); // z // translationMatrix.set(2, c, 2.0); } Matrix rotatedMatrix = r.times(m.minus(translationMatrix)).plus(translationMatrix); return rotatedMatrix; }
/** Test of Newton Raphson on a 2D quadratic function */ @Test public void test2DQuadratic() { System.out.println("test2DQuadratic"); Matrix x = new Matrix(2, 1); x.set(0, 0, -5); x.set(1, 0, 20); // simple quadratic function z = -x1*x1 - x2*x2 NewtonRaphson instance = new NewtonRaphson( new FunctionAndDerivatives() { public double value(Matrix x) { double x1 = x.get(0, 0); double x2 = x.get(1, 0); return -x1 * x1 - x2 * x2; } public Matrix hessian(Matrix x) { Matrix H = new Matrix(2, 2); H.set(0, 0, -2); H.set(0, 1, 0); H.set(1, 0, 0); H.set(1, 1, -2); return H; } public Matrix gradient(Matrix x) { double v = x.get(0, 0); return x.times(-2); } }); Matrix exp = new Matrix(2, 1); x.set(0, 0, 0.0); x.set(1, 0, 0.0); Matrix res = null; try { res = instance.maximise(x); } catch (Exception e) { fail(e.getMessage()); } assertEquals(exp.minus(res).normF(), 0.0, 0.00000001); }
private void RunSPKF() { // SPKF Steps: // 1) Generate Test Points // 2) Propagate Test Points // 3) Compute Predicted Mean and Covariance // 4) Compute Measurements // 5) Compute Innovations and Cross Covariance // 6) Compute corrections and update // Line up initial variables from the controller! Double dAlpha = dGreek.get(0); Double dBeta = dGreek.get(1); cController.setAlpha(dAlpha); cController.setBeta(dBeta); cController.setKappa(dGreek.get(2)); Double dGamma = cController.getGamma(); Double dLambda = cController.getLambda(); // // DEBUG - Print the Greeks // System.out.println("Greeks!"); // System.out.println("Alpha - " + dAlpha); // System.out.println("Beta - " + dBeta); // System.out.println("Kappa - " + dGreek.get(2)); // System.out.println("Lambda - " + dLambda); // System.out.println("Gamma - " + dGamma); // Let's get started: // Step 1: Generate Test Points Vector<Matrix> Chi = new Vector<Matrix>(); Vector<Matrix> UpChi = new Vector<Matrix>(); Vector<Matrix> UpY = new Vector<Matrix>(); Matrix UpPx = new Matrix(3, 3, 0.0); Matrix UpPy = new Matrix(3, 3, 0.0); Matrix UpPxy = new Matrix(3, 3, 0.0); Matrix K; Vector<Double> wc = new Vector<Double>(); Vector<Double> wm = new Vector<Double>(); Chi.add(X); // Add Chi_0 - the current state estimate (X, Y, Z) // Big P Matrix is LxL diagonal Matrix SqrtP = SqrtSPKF(P); SqrtP = SqrtP.times(dGamma); // Set up Sigma Points for (int i = 0; i <= 8; i++) { Matrix tempVec = SqrtP.getMatrix(0, 8, i, i); Matrix tempX = X; Matrix tempPlus = tempX.plus(tempVec); // System.out.println("TempPlus"); // tempPlus.print(3, 2); Matrix tempMinu = tempX.minus(tempVec); // System.out.println("TempMinus"); // tempMinu.print(3, 2); // tempX = X.copy(); // tempX.setMatrix(i, i, 0, 2, tempPlus); Chi.add(tempPlus); // tempX = X.copy(); // tempX.setMatrix(i, i, 0, 2, tempMinu); Chi.add(tempMinu); } // DEBUG Print the lines inside the Chi Matrix (2L x L) // for (int i = 0; i<=(2*L); i++){ // System.out.println("Chi Matrix Set: "+i); // Chi.get(i).print(5, 2); // } // Generate weights Double WeightZero = (dLambda / (L + dLambda)); Double OtherWeight = (1 / (2 * (L + dLambda))); Double TotalWeight = WeightZero; wm.add(WeightZero); wc.add(WeightZero + (1 - (dAlpha * dAlpha) + dBeta)); for (int i = 1; i <= (2 * L); i++) { TotalWeight = TotalWeight + OtherWeight; wm.add(OtherWeight); wc.add(OtherWeight); } // Weights MUST BE 1 in total for (int i = 0; i <= (2 * L); i++) { wm.set(i, wm.get(i) / TotalWeight); wc.set(i, wc.get(i) / TotalWeight); } // //DEBUG Print the weights // System.out.println("Total Weight:"); // System.out.println(TotalWeight); // for (int i = 0; i<=(2*L); i++){ // System.out.println("Weight M for "+i+" Entry"); // System.out.println(wm.get(i)); // System.out.println("Weight C for "+i+" Entry"); // System.out.println(wc.get(i)); // } // Step 2: Propagate Test Points // This will also handle computing the mean Double ux = dControl.elementAt(0); Double uy = dControl.elementAt(1); Double uz = dControl.elementAt(2); Matrix XhatMean = new Matrix(3, 1, 0.0); for (int i = 0; i < Chi.size(); i++) { Matrix ChiOne = Chi.get(i); Matrix Chixminus = new Matrix(3, 1, 0.0); Double Xhat = ChiOne.get(0, 0); Double Yhat = ChiOne.get(1, 0); Double Zhat = ChiOne.get(2, 0); Double Xerr = ChiOne.get(3, 0); Double Yerr = ChiOne.get(4, 0); Double Zerr = ChiOne.get(5, 0); Xhat = Xhat + ux + Xerr; Yhat = Yhat + uy + Yerr; Zhat = Zhat + uz + Zerr; Chixminus.set(0, 0, Xhat); Chixminus.set(1, 0, Yhat); Chixminus.set(2, 0, Zhat); // System.out.println("ChixMinus:"); // Chixminus.print(3, 2); UpChi.add(Chixminus); XhatMean = XhatMean.plus(Chixminus.times(wm.get(i))); } // Mean is right! // System.out.println("XhatMean: "); // XhatMean.print(3, 2); // Step 3: Compute Predicted Mean and Covariance // Welp, we already solved the mean - let's do the covariance now for (int i = 0; i <= (2 * L); i++) { Matrix tempP = UpChi.get(i).minus(XhatMean); Matrix tempPw = tempP.times(wc.get(i)); tempP = tempPw.times(tempP.transpose()); UpPx = UpPx.plus(tempP); } // New Steps! // Step 4: Compute Measurements! (and Y mean!) Matrix YhatMean = new Matrix(3, 1, 0.0); for (int i = 0; i <= (2 * L); i++) { Matrix ChiOne = Chi.get(i); Matrix Chiyminus = new Matrix(3, 1, 0.0); Double Xhat = UpChi.get(i).get(0, 0); Double Yhat = UpChi.get(i).get(1, 0); Double Zhat = UpChi.get(i).get(2, 0); Double Xerr = ChiOne.get(6, 0); Double Yerr = ChiOne.get(7, 0); Double Zerr = ChiOne.get(8, 0); Xhat = Xhat + Xerr; Yhat = Yhat + Yerr; Zhat = Zhat + Zerr; Chiyminus.set(0, 0, Xhat); Chiyminus.set(1, 0, Yhat); Chiyminus.set(2, 0, Zhat); UpY.add(Chiyminus); YhatMean = YhatMean.plus(Chiyminus.times(wm.get(i))); } // // Welp, we already solved the mean - let's do the covariances // now // System.out.println("XHatMean and YHatMean = "); // XhatMean.print(3, 2); // YhatMean.print(3, 2); for (int i = 0; i <= (2 * L); i++) { Matrix tempPx = UpChi.get(i).minus(XhatMean); Matrix tempPy = UpY.get(i).minus(YhatMean); // System.out.println("ChiX - XhatMean and ChiY-YhatMean"); // tempPx.print(3, 2); // tempPy.print(3, 2); Matrix tempPxw = tempPx.times(wc.get(i)); Matrix tempPyw = tempPy.times(wc.get(i)); tempPx = tempPxw.times(tempPy.transpose()); tempPy = tempPyw.times(tempPy.transpose()); UpPy = UpPy.plus(tempPy); UpPxy = UpPxy.plus(tempPx); } // Step 6: Compute Corrections and Update // Compute Kalman Gain! // System.out.println("Updated Px"); // UpPx.print(5, 2); // System.out.println("Updated Py"); // UpPy.print(5, 2); // System.out.println("Updated Pxy"); // UpPxy.print(5, 2); K = UpPxy.times(UpPy.inverse()); // System.out.println("Kalman"); // K.print(5, 2); Matrix Mea = new Matrix(3, 1, 0.0); Mea.set(0, 0, dMeasure.get(0)); Mea.set(1, 0, dMeasure.get(1)); Mea.set(2, 0, dMeasure.get(2)); Matrix Out = K.times(Mea.minus(YhatMean)); Out = Out.plus(XhatMean); // System.out.println("Out:"); // Out.print(3, 2); Matrix Px = UpPx.minus(K.times(UpPy.times(K.transpose()))); // Update Stuff! // Push the P to the controller Matrix OutP = P.copy(); OutP.setMatrix(0, 2, 0, 2, Px); X.setMatrix(0, 2, 0, 0, Out); Residual = XhatMean.minus(Out); cController.inputState(OutP, Residual); // cController.setL(L); cController.startProcess(); while (!cController.finishedProcess()) { try { Thread.sleep(10); } catch (InterruptedException e) { e.printStackTrace(); } } // System.out.println("Post Greeks: " + cController.getAlpha() + " , // "+ cController.getBeta()); dGreek.set(0, cController.getAlpha()); dGreek.set(1, cController.getBeta()); dGreek.set(2, cController.getKappa()); P = cController.getP(); // System.out.println("P is post Process:"); // P.print(3, 2); StepDone = true; }
public static void main(String argv[]) { Matrix A, B, C, Z, O, I, R, S, X, SUB, M, T, SQ, DEF, SOL; // Uncomment this to test IO in a different locale. // Locale.setDefault(Locale.GERMAN); int errorCount = 0; int warningCount = 0; double tmp, s; double[] columnwise = {1., 2., 3., 4., 5., 6., 7., 8., 9., 10., 11., 12.}; double[] rowwise = {1., 4., 7., 10., 2., 5., 8., 11., 3., 6., 9., 12.}; double[][] avals = {{1., 4., 7., 10.}, {2., 5., 8., 11.}, {3., 6., 9., 12.}}; double[][] rankdef = avals; double[][] tvals = {{1., 2., 3.}, {4., 5., 6.}, {7., 8., 9.}, {10., 11., 12.}}; double[][] subavals = {{5., 8., 11.}, {6., 9., 12.}}; double[][] rvals = {{1., 4., 7.}, {2., 5., 8., 11.}, {3., 6., 9., 12.}}; double[][] pvals = {{4., 1., 1.}, {1., 2., 3.}, {1., 3., 6.}}; double[][] ivals = {{1., 0., 0., 0.}, {0., 1., 0., 0.}, {0., 0., 1., 0.}}; double[][] evals = { {0., 1., 0., 0.}, {1., 0., 2.e-7, 0.}, {0., -2.e-7, 0., 1.}, {0., 0., 1., 0.} }; double[][] square = {{166., 188., 210.}, {188., 214., 240.}, {210., 240., 270.}}; double[][] sqSolution = {{13.}, {15.}}; double[][] condmat = {{1., 3.}, {7., 9.}}; double[][] badeigs = { {0, 0, 0, 0, 0}, {0, 0, 0, 0, 1}, {0, 0, 0, 1, 0}, {1, 1, 0, 0, 1}, {1, 0, 1, 0, 1} }; int rows = 3, cols = 4; int invalidld = 5; /* should trigger bad shape for construction with val */ int raggedr = 0; /* (raggedr,raggedc) should be out of bounds in ragged array */ int raggedc = 4; int validld = 3; /* leading dimension of intended test Matrices */ int nonconformld = 4; /* leading dimension which is valid, but nonconforming */ int ib = 1, ie = 2, jb = 1, je = 3; /* index ranges for sub Matrix */ int[] rowindexset = {1, 2}; int[] badrowindexset = {1, 3}; int[] columnindexset = {1, 2, 3}; int[] badcolumnindexset = {1, 2, 4}; double columnsummax = 33.; double rowsummax = 30.; double sumofdiagonals = 15; double sumofsquares = 650; /** * Constructors and constructor-like methods: double[], int double[][] int, int int, int, double * int, int, double[][] constructWithCopy(double[][]) random(int,int) identity(int) */ print("\nTesting constructors and constructor-like methods...\n"); try { /** check that exception is thrown in packed constructor with invalid length * */ A = new Matrix(columnwise, invalidld); errorCount = try_failure( errorCount, "Catch invalid length in packed constructor... ", "exception not thrown for invalid input"); } catch (IllegalArgumentException e) { try_success("Catch invalid length in packed constructor... ", e.getMessage()); } try { /** check that exception is thrown in default constructor if input array is 'ragged' * */ A = new Matrix(rvals); tmp = A.get(raggedr, raggedc); } catch (IllegalArgumentException e) { try_success("Catch ragged input to default constructor... ", e.getMessage()); } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "Catch ragged input to constructor... ", "exception not thrown in construction...ArrayIndexOutOfBoundsException thrown later"); } try { /** check that exception is thrown in constructWithCopy if input array is 'ragged' * */ A = Matrix.constructWithCopy(rvals); tmp = A.get(raggedr, raggedc); } catch (IllegalArgumentException e) { try_success("Catch ragged input to constructWithCopy... ", e.getMessage()); } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "Catch ragged input to constructWithCopy... ", "exception not thrown in construction...ArrayIndexOutOfBoundsException thrown later"); } A = new Matrix(columnwise, validld); B = new Matrix(avals); tmp = B.get(0, 0); avals[0][0] = 0.0; C = B.minus(A); avals[0][0] = tmp; B = Matrix.constructWithCopy(avals); tmp = B.get(0, 0); avals[0][0] = 0.0; if ((tmp - B.get(0, 0)) != 0.0) { /** check that constructWithCopy behaves properly * */ errorCount = try_failure( errorCount, "constructWithCopy... ", "copy not effected... data visible outside"); } else { try_success("constructWithCopy... ", ""); } avals[0][0] = columnwise[0]; I = new Matrix(ivals); try { check(I, Matrix.identity(3, 4)); try_success("identity... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "identity... ", "identity Matrix not successfully created"); } /** * Access Methods: getColumnDimension() getRowDimension() getArray() getArrayCopy() * getColumnPackedCopy() getRowPackedCopy() get(int,int) getMatrix(int,int,int,int) * getMatrix(int,int,int[]) getMatrix(int[],int,int) getMatrix(int[],int[]) set(int,int,double) * setMatrix(int,int,int,int,Matrix) setMatrix(int,int,int[],Matrix) * setMatrix(int[],int,int,Matrix) setMatrix(int[],int[],Matrix) */ print("\nTesting access methods...\n"); /** Various get methods: */ B = new Matrix(avals); if (B.getRowDimension() != rows) { errorCount = try_failure(errorCount, "getRowDimension... ", ""); } else { try_success("getRowDimension... ", ""); } if (B.getColumnDimension() != cols) { errorCount = try_failure(errorCount, "getColumnDimension... ", ""); } else { try_success("getColumnDimension... ", ""); } B = new Matrix(avals); double[][] barray = B.getArray(); if (barray != avals) { errorCount = try_failure(errorCount, "getArray... ", ""); } else { try_success("getArray... ", ""); } barray = B.getArrayCopy(); if (barray == avals) { errorCount = try_failure(errorCount, "getArrayCopy... ", "data not (deep) copied"); } try { check(barray, avals); try_success("getArrayCopy... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "getArrayCopy... ", "data not successfully (deep) copied"); } double[] bpacked = B.getColumnPackedCopy(); try { check(bpacked, columnwise); try_success("getColumnPackedCopy... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getColumnPackedCopy... ", "data not successfully (deep) copied by columns"); } bpacked = B.getRowPackedCopy(); try { check(bpacked, rowwise); try_success("getRowPackedCopy... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getRowPackedCopy... ", "data not successfully (deep) copied by rows"); } try { tmp = B.get(B.getRowDimension(), B.getColumnDimension() - 1); errorCount = try_failure( errorCount, "get(int,int)... ", "OutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { tmp = B.get(B.getRowDimension() - 1, B.getColumnDimension()); errorCount = try_failure( errorCount, "get(int,int)... ", "OutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("get(int,int)... OutofBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "get(int,int)... ", "OutOfBoundsException expected but not thrown"); } try { if (B.get(B.getRowDimension() - 1, B.getColumnDimension() - 1) != avals[B.getRowDimension() - 1][B.getColumnDimension() - 1]) { errorCount = try_failure( errorCount, "get(int,int)... ", "Matrix entry (i,j) not successfully retreived"); } else { try_success("get(int,int)... ", ""); } } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure(errorCount, "get(int,int)... ", "Unexpected ArrayIndexOutOfBoundsException"); } SUB = new Matrix(subavals); try { M = B.getMatrix(ib, ie + B.getRowDimension() + 1, jb, je); errorCount = try_failure( errorCount, "getMatrix(int,int,int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { M = B.getMatrix(ib, ie, jb, je + B.getColumnDimension() + 1); errorCount = try_failure( errorCount, "getMatrix(int,int,int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("getMatrix(int,int,int,int)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "getMatrix(int,int,int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { M = B.getMatrix(ib, ie, jb, je); try { check(SUB, M); try_success("getMatrix(int,int,int,int)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getMatrix(int,int,int,int)... ", "submatrix not successfully retreived"); } } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "getMatrix(int,int,int,int)... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { M = B.getMatrix(ib, ie, badcolumnindexset); errorCount = try_failure( errorCount, "getMatrix(int,int,int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { M = B.getMatrix(ib, ie + B.getRowDimension() + 1, columnindexset); errorCount = try_failure( errorCount, "getMatrix(int,int,int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("getMatrix(int,int,int[])... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "getMatrix(int,int,int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { M = B.getMatrix(ib, ie, columnindexset); try { check(SUB, M); try_success("getMatrix(int,int,int[])... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getMatrix(int,int,int[])... ", "submatrix not successfully retreived"); } } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "getMatrix(int,int,int[])... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { M = B.getMatrix(badrowindexset, jb, je); errorCount = try_failure( errorCount, "getMatrix(int[],int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { M = B.getMatrix(rowindexset, jb, je + B.getColumnDimension() + 1); errorCount = try_failure( errorCount, "getMatrix(int[],int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("getMatrix(int[],int,int)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "getMatrix(int[],int,int)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { M = B.getMatrix(rowindexset, jb, je); try { check(SUB, M); try_success("getMatrix(int[],int,int)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getMatrix(int[],int,int)... ", "submatrix not successfully retreived"); } } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "getMatrix(int[],int,int)... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { M = B.getMatrix(badrowindexset, columnindexset); errorCount = try_failure( errorCount, "getMatrix(int[],int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { M = B.getMatrix(rowindexset, badcolumnindexset); errorCount = try_failure( errorCount, "getMatrix(int[],int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("getMatrix(int[],int[])... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "getMatrix(int[],int[])... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { M = B.getMatrix(rowindexset, columnindexset); try { check(SUB, M); try_success("getMatrix(int[],int[])... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "getMatrix(int[],int[])... ", "submatrix not successfully retreived"); } } catch (java.lang.ArrayIndexOutOfBoundsException e) { errorCount = try_failure( errorCount, "getMatrix(int[],int[])... ", "Unexpected ArrayIndexOutOfBoundsException"); } /** Various set methods: */ try { B.set(B.getRowDimension(), B.getColumnDimension() - 1, 0.); errorCount = try_failure( errorCount, "set(int,int,double)... ", "OutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { B.set(B.getRowDimension() - 1, B.getColumnDimension(), 0.); errorCount = try_failure( errorCount, "set(int,int,double)... ", "OutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("set(int,int,double)... OutofBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "set(int,int,double)... ", "OutOfBoundsException expected but not thrown"); } try { B.set(ib, jb, 0.); tmp = B.get(ib, jb); try { check(tmp, 0.); try_success("set(int,int,double)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "set(int,int,double)... ", "Matrix element not successfully set"); } } catch (java.lang.ArrayIndexOutOfBoundsException e1) { errorCount = try_failure( errorCount, "set(int,int,double)... ", "Unexpected ArrayIndexOutOfBoundsException"); } M = new Matrix(2, 3, 0.); try { B.setMatrix(ib, ie + B.getRowDimension() + 1, jb, je, M); errorCount = try_failure( errorCount, "setMatrix(int,int,int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { B.setMatrix(ib, ie, jb, je + B.getColumnDimension() + 1, M); errorCount = try_failure( errorCount, "setMatrix(int,int,int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("setMatrix(int,int,int,int,Matrix)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "setMatrix(int,int,int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { B.setMatrix(ib, ie, jb, je, M); try { check(M.minus(B.getMatrix(ib, ie, jb, je)), M); try_success("setMatrix(int,int,int,int,Matrix)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "setMatrix(int,int,int,int,Matrix)... ", "submatrix not successfully set"); } B.setMatrix(ib, ie, jb, je, SUB); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { errorCount = try_failure( errorCount, "setMatrix(int,int,int,int,Matrix)... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { B.setMatrix(ib, ie + B.getRowDimension() + 1, columnindexset, M); errorCount = try_failure( errorCount, "setMatrix(int,int,int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { B.setMatrix(ib, ie, badcolumnindexset, M); errorCount = try_failure( errorCount, "setMatrix(int,int,int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("setMatrix(int,int,int[],Matrix)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "setMatrix(int,int,int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { B.setMatrix(ib, ie, columnindexset, M); try { check(M.minus(B.getMatrix(ib, ie, columnindexset)), M); try_success("setMatrix(int,int,int[],Matrix)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "setMatrix(int,int,int[],Matrix)... ", "submatrix not successfully set"); } B.setMatrix(ib, ie, jb, je, SUB); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { errorCount = try_failure( errorCount, "setMatrix(int,int,int[],Matrix)... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { B.setMatrix(rowindexset, jb, je + B.getColumnDimension() + 1, M); errorCount = try_failure( errorCount, "setMatrix(int[],int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { B.setMatrix(badrowindexset, jb, je, M); errorCount = try_failure( errorCount, "setMatrix(int[],int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("setMatrix(int[],int,int,Matrix)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "setMatrix(int[],int,int,Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { B.setMatrix(rowindexset, jb, je, M); try { check(M.minus(B.getMatrix(rowindexset, jb, je)), M); try_success("setMatrix(int[],int,int,Matrix)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "setMatrix(int[],int,int,Matrix)... ", "submatrix not successfully set"); } B.setMatrix(ib, ie, jb, je, SUB); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { errorCount = try_failure( errorCount, "setMatrix(int[],int,int,Matrix)... ", "Unexpected ArrayIndexOutOfBoundsException"); } try { B.setMatrix(rowindexset, badcolumnindexset, M); errorCount = try_failure( errorCount, "setMatrix(int[],int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e) { try { B.setMatrix(badrowindexset, columnindexset, M); errorCount = try_failure( errorCount, "setMatrix(int[],int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } catch (java.lang.ArrayIndexOutOfBoundsException e1) { try_success("setMatrix(int[],int[],Matrix)... ArrayIndexOutOfBoundsException... ", ""); } } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure( errorCount, "setMatrix(int[],int[],Matrix)... ", "ArrayIndexOutOfBoundsException expected but not thrown"); } try { B.setMatrix(rowindexset, columnindexset, M); try { check(M.minus(B.getMatrix(rowindexset, columnindexset)), M); try_success("setMatrix(int[],int[],Matrix)... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "setMatrix(int[],int[],Matrix)... ", "submatrix not successfully set"); } } catch (java.lang.ArrayIndexOutOfBoundsException e1) { errorCount = try_failure( errorCount, "setMatrix(int[],int[],Matrix)... ", "Unexpected ArrayIndexOutOfBoundsException"); } /** * Array-like methods: minus minusEquals plus plusEquals arrayLeftDivide arrayLeftDivideEquals * arrayRightDivide arrayRightDivideEquals arrayTimes arrayTimesEquals uminus */ print("\nTesting array-like methods...\n"); S = new Matrix(columnwise, nonconformld); R = Matrix.random(A.getRowDimension(), A.getColumnDimension()); A = R; try { S = A.minus(S); errorCount = try_failure(errorCount, "minus conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("minus conformance check... ", ""); } if (A.minus(R).norm1() != 0.) { errorCount = try_failure( errorCount, "minus... ", "(difference of identical Matrices is nonzero,\nSubsequent use of minus should be suspect)"); } else { try_success("minus... ", ""); } A = R.copy(); A.minusEquals(R); Z = new Matrix(A.getRowDimension(), A.getColumnDimension()); try { A.minusEquals(S); errorCount = try_failure(errorCount, "minusEquals conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("minusEquals conformance check... ", ""); } if (A.minus(Z).norm1() != 0.) { errorCount = try_failure( errorCount, "minusEquals... ", "(difference of identical Matrices is nonzero,\nSubsequent use of minus should be suspect)"); } else { try_success("minusEquals... ", ""); } A = R.copy(); B = Matrix.random(A.getRowDimension(), A.getColumnDimension()); C = A.minus(B); try { S = A.plus(S); errorCount = try_failure(errorCount, "plus conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("plus conformance check... ", ""); } try { check(C.plus(B), A); try_success("plus... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "plus... ", "(C = A - B, but C + B != A)"); } C = A.minus(B); C.plusEquals(B); try { A.plusEquals(S); errorCount = try_failure(errorCount, "plusEquals conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("plusEquals conformance check... ", ""); } try { check(C, A); try_success("plusEquals... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "plusEquals... ", "(C = A - B, but C = C + B != A)"); } A = R.uminus(); try { check(A.plus(R), Z); try_success("uminus... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "uminus... ", "(-A + A != zeros)"); } A = R.copy(); O = new Matrix(A.getRowDimension(), A.getColumnDimension(), 1.0); C = A.arrayLeftDivide(R); try { S = A.arrayLeftDivide(S); errorCount = try_failure( errorCount, "arrayLeftDivide conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayLeftDivide conformance check... ", ""); } try { check(C, O); try_success("arrayLeftDivide... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayLeftDivide... ", "(M.\\M != ones)"); } try { A.arrayLeftDivideEquals(S); errorCount = try_failure( errorCount, "arrayLeftDivideEquals conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayLeftDivideEquals conformance check... ", ""); } A.arrayLeftDivideEquals(R); try { check(A, O); try_success("arrayLeftDivideEquals... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayLeftDivideEquals... ", "(M.\\M != ones)"); } A = R.copy(); try { A.arrayRightDivide(S); errorCount = try_failure( errorCount, "arrayRightDivide conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayRightDivide conformance check... ", ""); } C = A.arrayRightDivide(R); try { check(C, O); try_success("arrayRightDivide... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayRightDivide... ", "(M./M != ones)"); } try { A.arrayRightDivideEquals(S); errorCount = try_failure( errorCount, "arrayRightDivideEquals conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayRightDivideEquals conformance check... ", ""); } A.arrayRightDivideEquals(R); try { check(A, O); try_success("arrayRightDivideEquals... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayRightDivideEquals... ", "(M./M != ones)"); } A = R.copy(); B = Matrix.random(A.getRowDimension(), A.getColumnDimension()); try { S = A.arrayTimes(S); errorCount = try_failure(errorCount, "arrayTimes conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayTimes conformance check... ", ""); } C = A.arrayTimes(B); try { check(C.arrayRightDivideEquals(B), A); try_success("arrayTimes... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayTimes... ", "(A = R, C = A.*B, but C./B != A)"); } try { A.arrayTimesEquals(S); errorCount = try_failure( errorCount, "arrayTimesEquals conformance check... ", "nonconformance not raised"); } catch (IllegalArgumentException e) { try_success("arrayTimesEquals conformance check... ", ""); } A.arrayTimesEquals(B); try { check(A.arrayRightDivideEquals(B), R); try_success("arrayTimesEquals... ", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "arrayTimesEquals... ", "(A = R, A = A.*B, but A./B != R)"); } /** I/O methods: read print serializable: writeObject readObject */ print("\nTesting I/O methods...\n"); try { DecimalFormat fmt = new DecimalFormat("0.0000E00"); fmt.setDecimalFormatSymbols(new DecimalFormatSymbols(Locale.US)); PrintWriter FILE = new PrintWriter(new FileOutputStream("JamaTestMatrix.out")); A.print(FILE, fmt, 10); FILE.close(); R = Matrix.read(new BufferedReader(new FileReader("JamaTestMatrix.out"))); if (A.minus(R).norm1() < .001) { try_success("print()/read()...", ""); } else { errorCount = try_failure( errorCount, "print()/read()...", "Matrix read from file does not match Matrix printed to file"); } } catch (java.io.IOException ioe) { warningCount = try_warning( warningCount, "print()/read()...", "unexpected I/O error, unable to run print/read test; check write permission in current directory and retry"); } catch (Exception e) { try { e.printStackTrace(System.out); warningCount = try_warning( warningCount, "print()/read()...", "Formatting error... will try JDK1.1 reformulation..."); DecimalFormat fmt = new DecimalFormat("0.0000"); PrintWriter FILE = new PrintWriter(new FileOutputStream("JamaTestMatrix.out")); A.print(FILE, fmt, 10); FILE.close(); R = Matrix.read(new BufferedReader(new FileReader("JamaTestMatrix.out"))); if (A.minus(R).norm1() < .001) { try_success("print()/read()...", ""); } else { errorCount = try_failure( errorCount, "print()/read() (2nd attempt) ...", "Matrix read from file does not match Matrix printed to file"); } } catch (java.io.IOException ioe) { warningCount = try_warning( warningCount, "print()/read()...", "unexpected I/O error, unable to run print/read test; check write permission in current directory and retry"); } } R = Matrix.random(A.getRowDimension(), A.getColumnDimension()); String tmpname = "TMPMATRIX.serial"; try { @SuppressWarnings("resource") ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(tmpname)); out.writeObject(R); @SuppressWarnings("resource") ObjectInputStream sin = new ObjectInputStream(new FileInputStream(tmpname)); A = (Matrix) sin.readObject(); try { check(A, R); try_success("writeObject(Matrix)/readObject(Matrix)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "writeObject(Matrix)/readObject(Matrix)...", "Matrix not serialized correctly"); } } catch (java.io.IOException ioe) { warningCount = try_warning( warningCount, "writeObject()/readObject()...", "unexpected I/O error, unable to run serialization test; check write permission in current directory and retry"); } catch (Exception e) { errorCount = try_failure( errorCount, "writeObject(Matrix)/readObject(Matrix)...", "unexpected error in serialization test"); } /** * LA methods: transpose times cond rank det trace norm1 norm2 normF normInf solve * solveTranspose inverse chol eig lu qr svd */ print("\nTesting linear algebra methods...\n"); A = new Matrix(columnwise, 3); T = new Matrix(tvals); T = A.transpose(); try { check(A.transpose(), T); try_success("transpose...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "transpose()...", "transpose unsuccessful"); } A.transpose(); try { check(A.norm1(), columnsummax); try_success("norm1...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "norm1()...", "incorrect norm calculation"); } try { check(A.normInf(), rowsummax); try_success("normInf()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "normInf()...", "incorrect norm calculation"); } try { check(A.normF(), Math.sqrt(sumofsquares)); try_success("normF...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "normF()...", "incorrect norm calculation"); } try { check(A.trace(), sumofdiagonals); try_success("trace()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "trace()...", "incorrect trace calculation"); } try { check(A.getMatrix(0, A.getRowDimension() - 1, 0, A.getRowDimension() - 1).det(), 0.); try_success("det()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "det()...", "incorrect determinant calculation"); } SQ = new Matrix(square); try { check(A.times(A.transpose()), SQ); try_success("times(Matrix)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "times(Matrix)...", "incorrect Matrix-Matrix product calculation"); } try { check(A.times(0.), Z); try_success("times(double)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "times(double)...", "incorrect Matrix-scalar product calculation"); } A = new Matrix(columnwise, 4); QRDecomposition QR = A.qr(); R = QR.getR(); try { check(A, QR.getQ().times(R)); try_success("QRDecomposition...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "QRDecomposition...", "incorrect QR decomposition calculation"); } SingularValueDecomposition SVD = A.svd(); try { check(A, SVD.getU().times(SVD.getS().times(SVD.getV().transpose()))); try_success("SingularValueDecomposition...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "SingularValueDecomposition...", "incorrect singular value decomposition calculation"); } DEF = new Matrix(rankdef); try { check(DEF.rank(), Math.min(DEF.getRowDimension(), DEF.getColumnDimension()) - 1); try_success("rank()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "rank()...", "incorrect rank calculation"); } B = new Matrix(condmat); SVD = B.svd(); double[] singularvalues = SVD.getSingularValues(); try { check( B.cond(), singularvalues[0] / singularvalues[Math.min(B.getRowDimension(), B.getColumnDimension()) - 1]); try_success("cond()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "cond()...", "incorrect condition number calculation"); } int n = A.getColumnDimension(); A = A.getMatrix(0, n - 1, 0, n - 1); A.set(0, 0, 0.); LUDecomposition LU = A.lu(); try { check(A.getMatrix(LU.getPivot(), 0, n - 1), LU.getL().times(LU.getU())); try_success("LUDecomposition...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "LUDecomposition...", "incorrect LU decomposition calculation"); } X = A.inverse(); try { check(A.times(X), Matrix.identity(3, 3)); try_success("inverse()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "inverse()...", "incorrect inverse calculation"); } O = new Matrix(SUB.getRowDimension(), 1, 1.0); SOL = new Matrix(sqSolution); SQ = SUB.getMatrix(0, SUB.getRowDimension() - 1, 0, SUB.getRowDimension() - 1); try { check(SQ.solve(SOL), O); try_success("solve()...", ""); } catch (java.lang.IllegalArgumentException e1) { errorCount = try_failure(errorCount, "solve()...", e1.getMessage()); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "solve()...", e.getMessage()); } A = new Matrix(pvals); CholeskyDecomposition Chol = A.chol(); Matrix L = Chol.getL(); try { check(A, L.times(L.transpose())); try_success("CholeskyDecomposition...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "CholeskyDecomposition...", "incorrect Cholesky decomposition calculation"); } X = Chol.solve(Matrix.identity(3, 3)); try { check(A.times(X), Matrix.identity(3, 3)); try_success("CholeskyDecomposition solve()...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "CholeskyDecomposition solve()...", "incorrect Choleskydecomposition solve calculation"); } EigenvalueDecomposition Eig = A.eig(); Matrix D = Eig.getD(); Matrix V = Eig.getV(); try { check(A.times(V), V.times(D)); try_success("EigenvalueDecomposition (symmetric)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "EigenvalueDecomposition (symmetric)...", "incorrect symmetric Eigenvalue decomposition calculation"); } A = new Matrix(evals); Eig = A.eig(); D = Eig.getD(); V = Eig.getV(); try { check(A.times(V), V.times(D)); try_success("EigenvalueDecomposition (nonsymmetric)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure( errorCount, "EigenvalueDecomposition (nonsymmetric)...", "incorrect nonsymmetric Eigenvalue decomposition calculation"); } try { print("\nTesting Eigenvalue; If this hangs, we've failed\n"); Matrix bA = new Matrix(badeigs); EigenvalueDecomposition bEig = bA.eig(); try_success("EigenvalueDecomposition (hang)...", ""); } catch (java.lang.RuntimeException e) { errorCount = try_failure(errorCount, "EigenvalueDecomposition (hang)...", "incorrect termination"); } print("\nTestMatrix completed.\n"); print("Total errors reported: " + Integer.toString(errorCount) + "\n"); print("Total warnings reported: " + Integer.toString(warningCount) + "\n"); }
public MyMatrix minus(MyMatrix m) { return new MyMatrix(a.minus(m.toMatrix())); }
/** * Assume une relation linéaire entre les angles et la longueur, les moments faisant office de * "rayons". En normalisant, on peut oublier ce moment. * * @param angles (in rad) * @return normalized length of muscle. */ public Matrix computeLength(Matrix angles) { Matrix l = _minL0.minus(_k.arrayTimes((angles.minus(_minA)).times(_mom.transpose()))); return l; }
public boolean calcNearPD(Matrix x) { int n = x.getRowDimension(); Matrix X; // Init local variables double[] diagX0 = new double[n]; double[] d = new double[n]; Matrix D_S = new Matrix(n, n); Matrix R = new Matrix(n, n); Matrix Y = new Matrix(n, n); EigenvalueDecomposition eig; Matrix D_plus = new Matrix(n, n); Matrix Q = new Matrix(n, n); if (keepDiag) { for (int i = 0; i < n; i++) { diagX0[i] = x.get(i, i); } } X = x.copy(); // Set iteration, convergence criteria int iter = 0; boolean converged = false; double conv = Double.POSITIVE_INFINITY; // Loop while ((iter < maxit) & !converged) { Y = X.copy(); // Dykstra correction if (doDykstra) { R = Y.minus(D_S); } // project onto PSD matrices X_k = P_S (R_k) if (doDykstra) { eig = R.eig(); } else { eig = Y.eig(); } d = eig.getRealEigenvalues(); Q = eig.getV(); // Get the maximum eigenvalue double eigMax = Double.NEGATIVE_INFINITY; for (int i = 0; i < n; i++) { if (d[i] > eigMax) eigMax = d[i]; } // compute the D_plus diagonal matricies for (int i = 0; i < n; i++) { double d_plus = Math.max(d[i], eigTol * eigMax); D_plus.set(i, i, d_plus); } X = (Q.times(D_plus)).times(Q.transpose()); // Update Dykstra correction if (doDykstra) D_S = X.minus(R); // project onto symmetric and possibly 'given diag' matrices: if (keepDiag) { for (int i = 0; i < n; i++) { X.set(i, i, diagX0[i]); } } // update convergence and iteration values conv = (Y.minus(X)).normInf() / Y.normInf(); iter = iter + 1; // check convergence criteria if (conv <= convTol) converged = true; } // Set solution local variables as globals this.X = X; this.conv = conv; this.normF = (x.minus(X)).normF(); this.iter = iter; this.eigVals = d; return converged; }