abaqus

基于Python编写的用于曲线拟合，最小二乘法(Based on Python for curve fitting, least squares method.)

本程序是用MGS正交化方法求方程组的最小二乘解的程序(This program is the program of MGS orthogonalization method and the least squares solution of equations)

svd分解，使用qr方法，编译即可运行，需要文件输入(SVD QR method，the program can run successfully, you need a file for input)

说明：  分数傅里叶变换程序，这个是二维分数阶傅里叶变化程序。(Fractional Fourier transform procedure, this is a two-dimensional fractional Fourier change process.)

室内无线定位技术，基于两次最小二乘法的matlab仿真程序(Indoor wireless positioning technology, based on the two least-squares method matlab simulation program)

大部分机械都是以转子形式运转，这本转子动力学是研究旋转机械动力学的基础(Most of the machinery are operating a rotor and the rotor dynamics is the study of the dynamics of rotating machinery foundation)

说明：  数值分析中的chebyshev拟合程序，学习数值分析的同学可以参考参考(Numerical Analysis of chebyshev fit program, students study and numerical analysis can refer to reference)

说明：  matlab的adi方法求解偏微分方程，精确度较高(ADI method of MATLAB for solving partial differential equations)

阻尼牛顿法、最速下降法、变尺度法的matlab程序。(Damped Newton' s method, steepest descent method, variable metric method matlab program.)

二维交错网格SIMPLE算法fortran计算程序，包括主程序和用户定义程序。(The two-dimensional to SIMPLE algorithm the fortran calculation procedures staggered grid, including the main program and the user-defined procedures.)