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。全书内容丰富，层次分明，是一本不可多得的有关数值计算的C语言程序大全。本书每章中都论述了有关专题的数学分析、算法的讨论与比较，以及算法实施的技巧，并给出了标准C语言实用程序。这些程序可在不同计算机的C语言编程环境下运行。

-Book written more than 300 practical and effective numerical algorithm C language program. The contents include: solving linear equations, inverse matrix and determinant computation, polynomial and rational function interpolation and extrapolation, integration and valuation functions, special functions, numerical computation, random number generation, non- linear equations, Fourier transform and FFT, spectral analysis and wavelet transform, statistical descr iption and data modeling, solving ordinary differential equations and partial differential equations, linear prediction and linear predictive coding, digital filtering, Gray code and arithmetic codes. The book is rich in content, structured, is a rare numerical calculations on C language program Daquan. Each chapter in this book are discussed topics related to mathematical analysis, discussion and comparison of algorithms, and algorithm implementation techniques, and gives the standard C language utility. These procedures can be in