关于稀疏矩阵的存储、计算，稀疏矩阵线性方程组的求解方法及原理集锦，都是在网上搜集的资料，比较全面的阐释稀疏矩阵的用法。-About the storage and calculation of sparse matrix , and also the solving method and principle of sparse matrix linear equations.All of the pdfs are loaded online, these gather information o