该代码是《科学与工程数值算法》（visual C++实现）一书中的源代码，里面包括常见的数值算法的实现，主要包括复数运算、矩阵运算、线性方程组的求解、非线性方程...

代码说明：

该代码是《科学与工程数值算法》（visual C++实现）一书中的源代码，里面包括常见的数值算法的实现，主要包括复数运算、矩阵运算、线性方程组的求解、非线性方程组的求解以及差值和数值积分的实现。-The code is " Science and Engineering, Numerical Algorithms" (visual C++ to achieve) the book" s source code, which include the common realization of numerical algorithm, including complex calculations, matrix operations, linear equations, nonlinear equations, as well as the margin and the achievement of numerical integration.