中文说明：数值计算常用算法，包含牛顿迭代、高斯消元等常见算法，主要介绍线性方程组求解、数值积分、矩阵求解、曲线拟合等方面内容。代码详细有效。很有价值。
English Description：
Numerical algorithms, including Newton, Gaussian elimination and other common algorithms, introduces the System of linear equations, numerical integration, matrix, curve fitting and so on. Code more efficient. Great value.