@Override
public void addMultiple(AMatrix m, double factor) {
checkRowCount(m.rowCount());
int cc = checkColumnCount(m.columnCount());
for (int i = 0; i < cc; i++) {
getColumnView(i).addMultiple(m.getColumn(i), factor);
}
}
@Override
public AMatrix innerProduct(AMatrix a) {
if (a instanceof ADiagonalMatrix) {
return innerProduct((ADiagonalMatrix) a);
} else if (a instanceof Matrix) {
return innerProduct((Matrix) a);
}
if (!(dimensions == a.rowCount()))
throw new IllegalArgumentException(ErrorMessages.incompatibleShapes(this, a));
int acc = a.columnCount();
Matrix m = Matrix.create(dimensions, acc);
for (int i = 0; i < dimensions; i++) {
double dv = unsafeGetDiagonalValue(i);
for (int j = 0; j < acc; j++) {
m.unsafeSet(i, j, dv * a.unsafeGet(i, j));
}
}
return m;
}
public CholeskyResult(AMatrix L) {
this(L, IdentityMatrix.create(L.rowCount()), L.getTranspose());
}
@Override
public ZeroVector innerProduct(AMatrix m) {
if (m.rowCount() != length)
throw new IllegalArgumentException("Incompatible vector*matrix sizes");
return ZeroVector.create(m.columnCount());
}
@Override
public boolean isSameShape(AMatrix m) {
return (dimensions == m.rowCount()) && (dimensions == m.columnCount());
}