java实现转置矩阵【有关矩阵后续在此续载】

package com.math;

/**
 * Matrix
 * @author ciscolee
 *
 */
public class MathMatrix {
    public static void main(String[] args) {
        /**
         * |1 2 3 |
         * |4 5 6 |
         * |7 8 9 |
         */
        double [][] martix = new double[3][3];
        double x=0;
        System.out.println("存在这样一个矩阵：");
        for (int i = 0; i < 3; i++) {
            System.out.print("|");
            for (int j = 0; j < 3; j++) {
                x=x+1;
                martix[i][j]=x;
                System.out.print(martix[i][j]+" ");
            }
            System.out.println("|");
        }
        System.out.println("他的转置矩阵:");
         new TMatrix(3,3, martix);
    }
}


//求转置矩阵
class TMatrix{
    int rows;
    int cols;
    double [][]matrix;
    public TMatrix(int rows,int cols,double[][]martix) {
        double mid;
        if (rows==cols)
        for ( int i= 0; i <rows; i++) {
            for (int j = 0; j <cols; j++) {
                if(i!=j&&i<j){//这里的条件判断很关键，你品，你细品！！！！
                mid=martix[i][j];
                martix[i][j]=martix[j][i];
                martix[j][i]=mid;
                }
            }
        }
        for (int i = 0; i < martix.length; i++) {
            System.out.print("|");
            for (int j = 0; j < martix.length; j++) {
                System.out.print(martix[i][j]+" ");
            }
            System.out.println("|");
        }
    }
    
}