这是用MPI做的关于矩阵的qr分解的程序，程序中很好的实现了分解过程的并行性-This is done using MPI on the matrix qr decomposition procedures, procedures to achieve a good decomposition process parallelism

矩阵特征值计算，包括乘幂法、雅克比法、单侧旋转法、QR法的MPI源码-Matrix eigenvalue calculation, including the power by law, Jacques ratio method, unilateral rotation method, QR Law MPI Source