PWMatrixTransposite_Multiply

//////////////////////////////////////////////////KLASA MACIERZ////////////////////////////////////////////////////
package com.cieslin;

import java.util.Scanner;

public class Macierz {
    Scanner s = new Scanner(System.in);
    private double[][] Tab;

    public double[][] createMatrix(int w, int k) {
        Tab = new double[w][k];
        for (int i = 0; i < w; i++)
            for (int j = 0; j < k; j++) {
                System.out.print("[" + (i + 1) + "][" + (j + 1) + "]:");
                Tab[i][j] = s.nextDouble();
            }
        return Tab;
    }

    public double[][] multiplyMatrix(double[][] TabA, double[][] TabB) {
        double suma = 0;
        double[][] Tab = new double[TabA.length][TabB[0].length];
        for (int i = 0; i < TabA.length; i++)
            for (int j = 0; j < TabB[0].length; j++) {
                suma = 0;
                for (int k = 0; k < TabA[0].length; k++)
                    suma += TabA[i][k] * TabB[k][j];
                Tab[i][j] = suma;
            }
        return Tab;
    }

    public double[][] transpositeMatrix(double[][] Tab) {
        double[][] TabT = new double[Tab[0].length][Tab.length];
        for (int i = 0; i < Tab[0].length; i++)
            for (int j = 0; j < Tab.length; j++) {
                TabT[i][j] = Tab[j][i];
            }
        return TabT;
    }

    public void showMatrix(double[][] Tab) {
        for (int i = 0; i < Tab.length; i++) {
            for (int j = 0; j < Tab[0].length; j++)
                System.out.print(Tab[i][j] + "\t");
            System.out.println("");
        }
    }
}

////////////////////////////////////////////////////////////////MAIN/////////////////////////////////////////////
package com.cieslin;

public class Main {

    public static void main(String[] args) {
        Macierz m = new Macierz();
        double[][] Tab = m.multiplyMatrix(m.createMatrix(3, 2), m.createMatrix(2, 2));
        m.showMatrix(Tab);
        m.showMatrix(m.transpositeMatrix(Tab));
}
}