示例#1
0
 protected void out(double[] y) {
   String s, blanks, blanksp, blanksm;
   blanksp = "    ";
   blanksm = "   ";
   int ny = y.length;
   int nlines = ny / 5;
   int nrest = ny % 5;
   for (int i = 0; i < nlines; i++) {
     s = "";
     for (int j = 0; j < 5; j++) {
       int k = i * 5 + j;
       if (y[k] >= 0.) blanks = blanksp;
       else blanks = blanksm;
       s = s + blanks + numForm.format(y[k]);
     }
     df.writeLine(s);
   }
   if (nrest > 0) {
     s = "";
     for (int j = 0; j < nrest; j++) {
       int k = nlines * 5 + j;
       if (y[k] >= 0.) blanks = blanksp;
       else blanks = blanksm;
       s = s + blanks + numForm.format(y[k]);
     }
     df.writeLine(s);
   }
 }
示例#2
0
 protected void plotScatterDiagram() {
   // plot sample as one dimensional scatter plot and Gaussian
   double xmax = 5.;
   double xmin = -5.;
   DatanGraphics.openWorkstation(getClass().getName(), "E3Min_1.ps");
   DatanGraphics.setFormat(0., 0.);
   DatanGraphics.setWindowInComputingCoordinates(xmin, xmax, 0., .5);
   DatanGraphics.setViewportInWorldCoordinates(-.15, .9, .16, .86);
   DatanGraphics.setWindowInWorldCoordinates(-.414, 1., 0., 1.);
   DatanGraphics.setBigClippingWindow();
   DatanGraphics.chooseColor(2);
   DatanGraphics.drawFrame();
   DatanGraphics.drawScaleX("y");
   DatanGraphics.drawScaleY("f(y)");
   DatanGraphics.drawBoundary();
   double xpl[] = new double[2];
   double ypl[] = new double[2];
   // plot scatter diagram
   DatanGraphics.chooseColor(1);
   for (int i = 0; i < y.length; i++) {
     xpl[0] = y[i];
     xpl[1] = y[i];
     ypl[0] = 0.;
     ypl[0] = .1;
     DatanGraphics.drawPolyline(xpl, ypl);
   }
   // draw Gaussian corresponding to solution
   int npl = 100;
   xpl = new double[npl];
   ypl = new double[npl];
   double fact = 1. / (Math.sqrt(2. * Math.PI) * x.getElement(1));
   double dpl = (xmax - xmin) / (double) (npl - 1);
   for (int i = 0; i < npl; i++) {
     xpl[i] = xmin + (double) i * dpl;
     ypl[i] = fact * Math.exp(-.5 * Math.pow((xpl[i] - x.getElement(0)) / x.getElement(1), 2.));
   }
   DatanGraphics.chooseColor(5);
   DatanGraphics.drawPolyline(xpl, ypl);
   // draw caption
   String sn = "N = " + nny;
   numForm.setMaximumFractionDigits(3);
   numForm.setMinimumFractionDigits(3);
   String sx1 = ", x_1# = " + numForm.format(x.getElement(0));
   String sx2 = ", x_2# = " + numForm.format(x.getElement(1));
   String sdx1 = ", &D@x_1# = " + numForm.format(Math.sqrt(cx.getElement(0, 0)));
   String sdx2 = ", &D@x_2# = " + numForm.format(Math.sqrt(cx.getElement(1, 1)));
   caption = sn + sx1 + sx2 + sdx1 + sdx2;
   DatanGraphics.setBigClippingWindow();
   DatanGraphics.chooseColor(2);
   DatanGraphics.drawCaption(1., caption);
   DatanGraphics.closeWorkstation();
 }