本书编写了300多个实用而有效的数值算法C语言程序。其内容包括：线性方程组的求解，逆矩阵和行列式计算，多项式和有理函数的内插与外推，函数的积分和估值，特殊函数的数值计算，随机数的产生，非线性方程求解，傅里叶变换和FFT，谱分析和小波变换，统计描述和数据建模，常微分方程和偏微分方程求解，线性预测和线性预测编码，数字滤波，格雷码和算术码等。(This book has written more than 300 practical and effective numerical algorithm C language program. Its contents include the solution of linear equations, inverse matrix and determinant calculation, interpolation and extrapolation of polynomial and rational functions, integral and estimation of functions, numerical calculation of special functions, generation of random numbers, nonlinear equation solving, Fu Liye transform and FFT, spectral analysis and wavelet transform, statistical descr iption and data construction. Modules, ordinary differential equations and partial differential equations, linear prediction and linear predictive coding, digital filtering, gray code and arithmetic code.)