Examples of Jama.Matrix.det()

Jama.Matrix.det()
Matrix determinant @return determinant


        float rgbDet = (float) RGB.det();


        return new float[] {(R[1] * (float) WGB.det()) / (W[1] * rgbDet),
                            (G[1] * (float) RWB.det()) / (W[1] * rgbDet),
                            (B[1] * (float) RGW.det()) / (W[1] * rgbDet)};
    }


    /*
        8.2 - HSI, HSL, HSV, and related color spaces

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                    subsolution.set(1, 0, solution.get(3, 0));
                    subsolution.set(1, 1, solution.get(4, 0));


                    // Symmetry: MathUtils.round(subsolution.det()) == -1) 
                    // Inverse: MathUtils.isIdentity(subsolution.times(subsolution.transpose()))
                    if (MathUtils.round(subsolution.det()) == 0)
                        continue;


                    // we round transformations to 3 decimal places
                    outTransform.setTransform(
                        solution.get(0, 0),

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            prepareNewMatrixSize(random);
            final int numRow = getNumRow();
            final int numCol = getNumCol();
            double[] elements = createRandomPositiveValues(numRow * numCol);
            final Matrix reference = new Matrix(elements, numCol).transpose();
            if (!(reference.det() >= DETERMINANT_THRESHOLD)) {
                continue; // To close to a singular matrix - search an other one.
            }
            final MatrixSIS matrix = Matrices.create(numRow, numCol, elements);
            /*
             * Computes new random value for the argument. We mix positive and negative values,

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            prepareNewMatrixSize(random);
            final int numRow = getNumRow();
            final int numCol = getNumCol();
            final double[] elements = createRandomPositiveValues(numRow * numCol);
            final Matrix reference = new Matrix(elements, numCol).transpose();
            if (!(reference.det() >= DETERMINANT_THRESHOLD)) {
                continue; // To close to a singular matrix - search an other one.
            }
            final MatrixSIS matrix = Matrices.create(numRow, numCol, elements);
            assertEqualsJAMA(reference.inverse(), matrix.inverse(), TOLERANCE);
        }

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