Here you can find the source of multiplyMatrices(int[][] mat1, int[][] mat2)
| Parameter | Description |
|---|---|
| mat1 | a parameter |
| mat2 | a parameter |
public static int[][] multiplyMatrices(int[][] mat1, int[][] mat2)
//package com.java2s; /*// w w w . j a v a 2 s . co m * The MIT License * * Copyright 2015 Ned Hyett. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class Main { /** * @param mat1 * @param mat2 * @return */ public static int[][] multiplyMatrices(int[][] mat1, int[][] mat2) { int[][] ret = new int[mat1.length][mat1[0].length]; for (int i = 0; i < mat1.length; i++) { for (int q = 0; q < mat1[i].length; q++) { ret[i][q] = mat1[i][q] * mat2[i][q]; } } return ret; } /** * @param mat1 * @param mat2 * @return */ public static double[][] multiplyMatrices(double[][] mat1, double[][] mat2) { double[][] ret = new double[mat1.length][mat1[0].length]; for (int i = 0; i < mat1.length; i++) { for (int q = 0; q < mat1[i].length; q++) { ret[i][q] = mat1[i][q] * mat2[i][q]; } } return ret; } /** * @param mat1 * @param mat2 * @return */ public static float[][] multiplyMatrices(float[][] mat1, float[][] mat2) { float[][] ret; int x = mat1.length; int y = mat2.length; ret = new float[x][x]; for (int i = 0; i < x; i++) { for (int j = 0; j < y - 1; j++) { for (int k = 0; k < y; k++) { ret[i][j] += mat1[i][k] * mat2[k][j]; } } } return ret; } }