报告打印字系统 -word report Print System Report Print System Report Print word word word Print System Report System

求解大型对称或非对称方程组，采用稀疏矩阵存储及求解算法，在电力系统仿真分析软件中得到应用-Sparse1.3 is a flexible package of subroutines written in C used to quickly and accurately solve large sparse systems of linear equations. The package is able to handle arbitrary real and complex