EasyMath.java 文件源码

public static double determinant2DMatrix(double[][] matrix)
        throws Exception {
    int n = matrix.length - 1;
    int m = matrix[0].length;
    if (n + 1 == m) {
        if (n < 0)
            return 0;
        double Matrix[][][] = new double[n + 1][][];

        Matrix[n] = matrix; //

        for (int i = 0; i < n; i++)
            Matrix[i] = new double[i + 1][i + 1];
        return Helper(Matrix, n);
    } else {
        Error e = new Error("Matematik");
        throw new RuntimeErrorException(e, "Given matrix is not square!");
    }

}