Here you can find the source of transpose(double[][] matrix)
public static double[][] transpose(double[][] matrix)
//package com.java2s; /*/*from w w w . j a v a2 s . co m*/ * Java Information Dynamics Toolkit (JIDT) * Copyright (C) 2012, Joseph T. Lizier * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static double[][] transpose(double[][] matrix) { double[][] newMatrix = new double[matrix[0].length][matrix.length]; for (int i = 0; i < matrix.length; i++) { for (int j = 0; j < matrix[i].length; j++) { newMatrix[j][i] = matrix[i][j]; } } return newMatrix; } public static int[][] transpose(int[][] matrix) { int[][] newMatrix = new int[matrix[0].length][matrix.length]; for (int i = 0; i < matrix.length; i++) { for (int j = 0; j < matrix[i].length; j++) { newMatrix[j][i] = matrix[i][j]; } } return newMatrix; } }