一个非常好的矩阵求解器，mathmatics的求解器就是用的它

TAUCS是解稀疏线性问题的C语言库。包括： 多波Supernodal Cholesky分解； 左看Supernodal Cholesky分解 -TAUCS is a C library of sparse linear solvers. The current version of the library includes the following functionality: Multifrontal Supernodal Cholesky Factoriza