SourceCodeTest/MatrixExampleTester.java at main · HWRoboticsHelper1/SourceCodeTest · GitHub

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public class MatrixExampleTester {
    public static void main(String[] args) {
        // Testing matrix multiplication
        int[][] matrix1 = {
            { 1, 3, 5 },
            { 3, 5, 7 },
            { 4, 8, 12 }
        };

        int[][] matrix2 = {
            { 1, 0, 0 },
            { 0, 1, 0 },
            { 0, 0, 1 }
        };

        int[][] product1 = MatrixExample.multiplyMatrices(matrix1, matrix2);

        printMatrix(product1);

        int[][] matrix3 = {
            { 2, 7 },
            { 4, 1 },
            { 9, 9 },
            { 5, 1 }
        };

        int[][] matrix4 = {
            { 8, 1, 3, 4, 8 },
            { 2, 4, 6, 8, 0 }
        };

        int[][] product2 = MatrixExample.multiplyMatrices(matrix3, matrix4);

        printMatrix(product2);

        int[][] matrix5 = {
                { 1, 2, 3, 4, 5, 6 },
                { 4, 5, 6, 3, 7, 2 },
                { 27, 8, 9, 5, 3, 21 },
                { 73, 2, 19, 5, 1, 8 },
                { 47, 9, 9, 5, 0, 22 },
                { 78, 86, 1, 4, 1, 21 },
                { 73, 18, 2, 2, 5, 11 }
        };

        int[][] matrix6 = {
            { 4, 12, 9, 1 },
            { 22, 19, 71, 2 },
            { 3, 55, 81, 47 },
            { 10, 20, 30, 40 },
            { 3, 9, 27, 81 },
            { 11, 21, 20, 7 }
        };

        int[][] product3 = MatrixExample.multiplyMatrices(matrix5, matrix6);

        printMatrix(product3);

        // Testing Random Matrices of various sizes
        printMatrix(MatrixExample.generateRandomMatrix(3, 3));
        printMatrix(MatrixExample.generateRandomMatrix(2, 7));
        printMatrix(MatrixExample.generateRandomMatrix(6, 7));
    }

    static public void printMatrix(int[][] matrix) {
        System.out.println("result length: " + matrix.length + " x " + matrix[0].length);
        for (int i = 0; i < matrix.length; i++) {
            for (int j = 0; j < matrix[i].length; j++) {
                System.out.print(matrix[i][j] + " ");
            }
            System.out.println();
        }
        System.out.println();
    }
}