fft（贺万堑）

研究生动力学课程，计算多体动力学课程， 学习起来有点难度，如果有兴趣就看看吧(Graduate dynamics course)

说明：  Delphi实现最小二乘法，进行多点拟合，目前支持4点拟合(Delphi realizes the least square method and multi-point fitting. At present, it supports four-point fitting.)

潮流调和分析程序，非常实用，里面有说明文件，基本原理是采用最小二乘法来求解超定矩阵，各种参数用来控制选择分潮，间隔时间等。(harmonic analysis)

Matlab编写的最小二乘法最优化计算方法，能自动完成多维非线性方程组的最小值计算(Matlab Min_LM math tools for calculating the min-value of formulars)

nelder-mead algorithm for unconstrained optimization simulation in c programming language

说明：  通过模型决定系数完成支持向量机参数优化，并建立基于大数据的支持向量机模型实现回归拟合(The parameters of SVM are optimized by the coefficient determined by the model, and the regression fitting is realized by the support vector machine model based on big data)

MATLAB语言编程工具编制测距模型分析界面，具有可变换测距模型，可变换参数设置及测距结果显示，精度分析等功能。(MATLAB language programming tools for the preparation of Ranging model analysis interface with convertible ranging model of transformation parameters can be set up and ranging results showed that precision of analysis functions.)

说明：  C++调用STK 仿真软件的程序。可以实时进行场景仿真。(C++ simulation software program called STK. Scenarios can be simulated in real time.)

交直流潮流计算程序 交替迭代法 带界面设计 提供一个11节点算例(AC-DC power flow calculation program)

fluent软件的UDF程序，是焊接过程的热源，热源类型为双椭球空间热源。(fluent udf heat source)