解矩阵方程，可分解为两个矩阵，一个为上三角矩阵，一个为下三角矩阵，再求解，会简化计算,Solution of matrix equation, decomposed into two matrices, one for the upper triangular matrix, a lower triangular matrix, and then solving, will simplify the calculation of

数值计算方法中部分重要算法的C语言代码实现程序。内容包括解非线性方程的迭代方法、矩阵分解的直接方法、插值法、数值积分-Numerical calculation method, some important algorithms in C language code implementation procedures. Includes iterative method for solving nonlinear equations, matrix decomposition of the di