C 矩阵类模板（支持实数矩阵与复数矩阵的各种运算),功能非常强大,而且用模板实现,完整无错,后面有测试代码.需要的拿走.-C Matrix class template (for real and complex matrix of matrix operations), very powerful, and use templates, a complete error-free, followed by a test code needs to take.