How to use

ch.akuhn.edu.mit.tedlab.DMat

constructor

static DMat svdTransposeD(DMat D) {
  int r, c;
  DMat N = new DMat(D.cols, D.rows);
  for (r = 0; r < D.rows; r++)
    for (c = 0; c < D.cols; c++)
      N.value[c][r] = D.value[r][c];
  return N;
}

static DMat svdTransposeD(DMat D) {
  int r, c;
  DMat N = new DMat(D.cols, D.rows);
  for (r = 0; r < D.rows; r++)
    for (c = 0; c < D.cols; c++)
      N.value[c][r] = D.value[r][c];
  return N;
}

public PrincipalComponents (ObjectVector[] vectorInput) {
 this.vectorInput = vectorInput;
 this.dimension = vectorInput[0].getVector().getDimension();
 double[][] vectorArray = new double[vectorInput.length][dimension];
 for (int i = 0; i < vectorInput.length; ++i) {
  if (vectorInput[i].getVector().getClass() != RealVector.class) {
   throw new IncompatibleVectorsException(
     "Principal components class only works with Real Vectors so far!");
  }
  if (vectorInput[i].getVector().getDimension() != dimension) {
   throw new IncompatibleVectorsException("Dimensions must all be equal!");
  }
  RealVector realVector = (RealVector) vectorInput[i].getVector();
  float[] tempVec = realVector.getCoordinates().clone();
  for (int j = 0; j < dimension; ++j) {
   vectorArray[i][j] = (double) tempVec[j];
  }
 }
 this.matrix = new DMat(vectorArray.length, vectorArray[0].length);
 matrix.value = vectorArray;
 System.err.println("Created matrix ... performing svd ...");
 Svdlib svd = new Svdlib();
 System.err.println("Starting SVD using algorithm LAS2");
 svdR = svd.svdLAS2A(Svdlib.svdConvertDtoS(matrix), matrix.cols);
}

    R = new SVDRec();
    R.S = new double[0];
    R.Ut = new DMat(0,A.rows);
    R.Vt = new DMat(0,A.cols);
    return R;
R.Ut = new DMat(R.d, A.rows);
R.S  = svd_doubleArray(R.d, true, "las2: R->s");
R.Vt = new DMat(R.d, A.cols);

    R = new SVDRec();
    R.S = new double[0];
    R.Ut = new DMat(0,A.rows);
    R.Vt = new DMat(0,A.cols);
    return R;
R.Ut = new DMat(R.d, A.rows);
R.S  = svd_doubleArray(R.d, true, "las2: R->s");
R.Vt = new DMat(R.d, A.cols);