stft

说明：  线性代数同济第六版,最适用的一版,有书签(Linear algebra tongji sixth edition)

Dsimplex.m 对偶单纯形法求解线性规划问题(Dual simplex method for solving linear programming problems)

三个MATLAB里实现傅里叶变换FFT的源程序代码，每种代码都进行了作图演示(Three in MATLAB source code to achieve Fourier Transform (FFT), each code have been mapped demo)

MATLAB 地震波FFT变换 调幅，周期调节(MATLAB earthwave FFTtransform)

对现在非常流行的非平行超平面进行编程，可用于twin svm等非平行问题。(Use for "Nonparallel Support Vector Machines")

通过卷积神经网络回归进行的图像配准，相比传统的图像配准算法，能更快地获得配准参数，也能更好地减小配准误差(Image registration based on convolution neural network regression can get registration parameters faster and reduce registration error better than traditional image registration algorithm.)

ansys二次开发损伤本构关系的详细代码，已经调试成功(ansys damage constitutive secondary development of detailed code, debugging has been successful)

说明：  自己编写的期望最大化（EM）算法的MATLAB实现，里面有较为运行方法和程序说明，对新手有很好的帮助( I have written the expectation-maximization (EM) algorithm in MATLAB, which has run more methods and procedures described, there is a good help for the novice)

用QR 法方程组合SVD分解进行最小二乘解方程组，并比较三种方法的稳定性以及准确性(Combined with the QR equation SVD decomposition least squares solution of equations, and compare the stability and accuracy of three methods)

说明：  二阶曲线拟合，最小二乘法，此程序是在c++ builder6.0环境下开发的(second curve fitting, least squares method, this procedure is in c builder6.0 development of the environment)