求解数值问题包括一些定理和推论，科学工程中的方法应用，诸如矩阵运算，微积分求解实际问题等等实际工程问题都已经用C++语言编程模块。方便使用-Solving numerical problems, including some theorems and corollaries, scientific engineering methods applications, matrix operations, calculus to solve practical problems and so pra