Examples of numCols()

Examples of org.ejml.simple.SimpleMatrix.numCols()

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        assertTrue( !U.hasUncountable() );
        assertTrue( !Vt.hasUncountable() );
        assertTrue( !W.hasUncountable() );

        if( svd.isCompact() ) {
            assertEquals(W.numCols(),W.numRows());
            assertEquals(U.numCols(),W.numRows());
            assertEquals(Vt.numRows(),W.numCols());
        } else {
            assertEquals(U.numCols(),W.numRows());
            assertEquals(W.numCols(),Vt.numRows());
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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        assertTrue( !W.hasUncountable() );

        if( svd.isCompact() ) {
            assertEquals(W.numCols(),W.numRows());
            assertEquals(U.numCols(),W.numRows());
            assertEquals(Vt.numRows(),W.numCols());
        } else {
            assertEquals(U.numCols(),W.numRows());
            assertEquals(W.numCols(),Vt.numRows());
            assertEquals(U.numCols(),U.numRows());
            assertEquals(Vt.numCols(),Vt.numRows());
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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            assertEquals(W.numCols(),W.numRows());
            assertEquals(U.numCols(),W.numRows());
            assertEquals(Vt.numRows(),W.numCols());
        } else {
            assertEquals(U.numCols(),W.numRows());
            assertEquals(W.numCols(),Vt.numRows());
            assertEquals(U.numCols(),U.numRows());
            assertEquals(Vt.numCols(),Vt.numRows());
        }

        DenseMatrix64F found = U.mult(W).mult(Vt).getMatrix();
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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        BlockMatrix64F blockA = BlockMatrixOps.convert(origA.getMatrix(),N);
        BlockMatrix64F blockB = BlockMatrixOps.convert(origB.getMatrix(),N);

        D1Submatrix64F subA = new D1Submatrix64F(blockA,0, origA.numRows(), 0, origA.numCols());
        D1Submatrix64F subB = new D1Submatrix64F(blockB,0, origB.numRows(), 0, origB.numCols());

        SimpleMatrix expected = origA.plus(origB.transpose().mult(origB).scale(alpha));
        BlockInnerRankUpdate.rankNUpdate(N,alpha,subA,subB);

        assertTrue(GenericMatrixOps.isEquivalent(expected.getMatrix(),blockA,1e-8));
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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        BlockMatrix64F blockA = BlockMatrixOps.convert(origA.getMatrix(),N);
        BlockMatrix64F blockB = BlockMatrixOps.convert(origB.getMatrix(),N);

        D1Submatrix64F subA = new D1Submatrix64F(blockA,0, origA.numRows(), 0, origA.numCols());
        D1Submatrix64F subB = new D1Submatrix64F(blockB,0, origB.numRows(), 0, origB.numCols());

        SimpleMatrix expected = origA.plus(origB.transpose().mult(origB).scale(-1));
        BlockInnerRankUpdate.symmRankNMinus_U(N,subA,subB);

        assertTrue(GenericMatrixOps.isEquivalentTriangle(true,expected.getMatrix(),blockA,1e-8));
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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        BlockMatrix64F blockA = BlockMatrixOps.convert(origA.getMatrix(),N);
        BlockMatrix64F blockB = BlockMatrixOps.convert(origB.getMatrix(),N);

        D1Submatrix64F subA = new D1Submatrix64F(blockA,0, origA.numRows(), 0, origA.numCols());
        D1Submatrix64F subB = new D1Submatrix64F(blockB,0, origB.numRows(), 0, origB.numCols());

        SimpleMatrix expected = origA.plus(origB.mult(origB.transpose()).scale(-1));
        BlockInnerRankUpdate.symmRankNMinus_L(N,subA,subB);

//        expected.print();
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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            TridiagonalDecompositionHouseholderOrig decomp = new TridiagonalDecompositionHouseholderOrig();
            decomp.decompose(A.getMatrix());

            D1Submatrix64F Ab = insertIntoBlock(offX,offY,A,r);
            D1Submatrix64F V = new D1Submatrix64F(new BlockMatrix64F(r,offX+A.numCols(),r));
            V.col0 = offX;
            V.row1 = Ab.row1-Ab.row0;
            int gammaOffset = offX;
            double gammas[] = new double[gammaOffset+A.numCols()];
            TridiagonalBlockHelper.tridiagUpperRow(r,Ab,gammas,V);
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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            D1Submatrix64F Ab = insertIntoBlock(offX,offY,A,r);
            D1Submatrix64F V = new D1Submatrix64F(new BlockMatrix64F(r,offX+A.numCols(),r));
            V.col0 = offX;
            V.row1 = Ab.row1-Ab.row0;
            int gammaOffset = offX;
            double gammas[] = new double[gammaOffset+A.numCols()];
            TridiagonalBlockHelper.tridiagUpperRow(r,Ab,gammas,V);

            DenseMatrix64F expected = decomp.getQT();

            // see if the decomposed matrix is the same
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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   * not already a vector, be sure this is what you actually want.
   */
  public static SimpleMatrix softmax(SimpleMatrix input) {
    SimpleMatrix output = new SimpleMatrix(input);
    for (int i = 0; i < output.numRows(); ++i) {
      for (int j = 0; j < output.numCols(); ++j) {
        output.set(i, j, Math.exp(output.get(i, j)));
      }
    }
    double sum = output.elementSum();
    // will be safe, since exp should never return 0
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Examples of org.ejml.simple.SimpleMatrix.numCols()

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   * Applies log to each of the entries in the matrix.  Returns a new matrix.
   */
  public static SimpleMatrix elementwiseApplyLog(SimpleMatrix input) {
    SimpleMatrix output = new SimpleMatrix(input);
    for (int i = 0; i < output.numRows(); ++i) {
      for (int j = 0; j < output.numCols(); ++j) {
        output.set(i, j, Math.log(output.get(i, j)));
      }
    }
    return output;
  }
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