最小二乘法

说明：  最小二乘一次完成算法，C语言编写，源码，调试通过。(A complete least-squares algorithm, C language, source code, debugging through.)

计算流体力学软件FLUENT计算空气龄的udf文件(FLUENT CFD software udf file to calculate the air age )

最小二乘支持向量机工具想的设计，及其使用工具箱的指导手册。(The least squares support vector machine tool design think its use toolbox guidance manual.)

用Fortran编程求解简单的一元二次方程案例(Solving quadratic equation of one variable)

详细介绍了PMF-FFT的原理和实现方法，对于初学者有一定的帮助(Details of the theory and implementation of PMF-FFT, there is some help for beginners)

fortran code for LINEAR_WAVE PROPAGATION by forward time forward spase method.

本程序包括：DFT（离散傅里叶变换），FFT（快速傅里叶变换），IFFT（快速傅里叶逆变换），conv（卷积：圆周卷积、线性卷积），主要应用于信号处理，既可以对实序列做上述操作，也可以对复序列。(This process includes: DFT (Discrete Fourier Transform), FFT (fast Fourier transform), IFFT (inverse fast Fourier transform), conv (convolution: circular convolution, linear convolution), mainly used signal processing, either on the actual sequence to do the operation, can also be complex sequence.)

二维弹性力学边界元程序中调试中的问题，有助于初学者从中发现问题，学习编写程序(Plate of Elastic Static)

随机森林算法，适合初学者阅读，包括公式，资料，调试(Random forests algorithm, suitable for beginners to read, including formulas, data, commissioning)

二阶微分方程组，采用龙格库塔法求解，将二阶降为一阶之后在求解。(Second-order differential equations, using the Runge-Kutta method to solve the second-order reduced to an order after solving.)