用householder变换求QR分解，需要自己编写矩阵输入的部分（有示例矩阵）

用householder变换求QR分解，需要自己编写矩阵输入的部分（有示例矩阵）-Used for QR Decomposition Householder transformation, the need for their own part of the preparation of matrix input (with sample matrix)