基于matlab平台，平行计算pi值结果，节约时间(Based on MATLAB platform,parallel computation of PI results,saves time.)

平行计算课程，并行程序转置矩阵，使用3种方法：线性转置，块棋盘划分，直角划分法(Parallel computing course, parallel program transpose matrix, using three methods: linear transpose, block chessboard division, right angle division)