Examples of Jama.Matrix.inverse()

Jama.Matrix.inverse()
Matrix inverse or pseudoinverse @return inverse(A) if A is square, pseudoinverse otherwise.

                        cameraRGBWB[j][i] *= wb[i];


                Matrix B = new Matrix(ColorScience.chromaticAdaptation(daylightTemperature, originalTemperature, caMethod));
                Matrix combo = XYZtoRGB.times(B.times(RGBtoZYX));


                cameraRGBWB = combo.inverse().times(new Matrix(cameraRGBWB)).getArrayFloat();
            }
            
            cameraRGBCA = dcRaw.getCameraRGB();
            dcRaw.getDaylightMultipliers();

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        for (int i = 0; i < 3; i++)
            for (int j = 0; j < 3; j++)
                mdata[i][j] = rgbXYZ[i][j];
        Matrix XYZRGB = new Matrix(mdata);


        float[][] S = new Matrix(new double[][] {{wtptXYZ[0], wtptXYZ[1], wtptXYZ[2]}}).times(XYZRGB.inverse()).getArrayFloat();


        return new float[][] {
            {S[0][0] * rgbXYZ[0][0], S[0][0] * rgbXYZ[0][1], S[0][0] * rgbXYZ[0][2]},
            {S[0][1] * rgbXYZ[1][0], S[0][1] * rgbXYZ[1][1], S[0][1] * rgbXYZ[1][2]},
            {S[0][2] * rgbXYZ[2][0], S[0][2] * rgbXYZ[2][1], S[0][2] * rgbXYZ[2][2]}

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            {0, sXYZ[1] / tXYZ[1], 0},
            {0, 0, sXYZ[2] / tXYZ[2]}
        };


        // total tansform
        return B.times(new Matrix(diag)).times(B.inverse()).getArrayFloat();
    }


    public static double saturation(double r, double g, double b) {
        double min = Math.min(r, Math.min(g, b));
        double max = Math.max(r, Math.max(g, b));

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        X.set(i, j, (Math.pow((4 * ((double) i + 1) - 1) / (2 * (double) K), j)));
      }
    }
    Xt = X.transpose();
    square = Xt.times(X);
    square = square.inverse();
    //System.out.println("calcConst "+square.get(0,0));
    return (.645 * square.get(0, 0));
  }


  /**

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        X.set(i, j, (Math.pow((4 * ((double) i + 1) - 1) / (2 * (double) K), j)));
      }
    }
    Xt = X.transpose();
    square = Xt.times(X);
    square = square.inverse();
    //System.out.println("calcConst "+square.get(0,0));
    return (.645 * square.get(0, 0));
  }


  /**

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            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);
        }
    }


    /**
     * Tests matrix serialization.

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            try_success("LUDecomposition...", "");
        } catch (java.lang.RuntimeException e) {
            errorCount = try_failure(errorCount, "LUDecomposition...",
                    "incorrect LU decomposition calculation");
        }
        X = A.inverse();
        try {
            check(A.times(X), Matrix.identity(3, 3));
            try_success("inverse()...", "");
        } catch (java.lang.RuntimeException e) {
            errorCount = try_failure(errorCount, "inverse()...",

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