shuchujuzhen-

说明：  MATLAB实现自定义的拉格朗日插值和牛顿插值，均包括主调函数和被调用函数，程序简单易懂。(MATLAB realizes the self defined Lagrange interpolation and Newton interpolation, both including the main function and the called function, the program is simple and easy to understand.)

该程序利用最小二乘法进行拟合多元非线性方程。是我做毕设的时候写的。希望对大家有用。(This code can fit multivariable nonlinear equation by using least squares.)

用于计算大物实验中常用的平均值和不确定度。(a simple tool to calculate average of input values.)

一个短时傅里叶变换的C语言实现，对3万个数据进行加窗、FFT处理(A short time Fourier transform of C language, for 30,000 data windowing, FFT processing)

说明：  这是数值分析的一些作业实验，文件中有详细的文档对理论，实验和算法的说明，用于病态方程组求解的源代码(This is the numerical analysis of the experimental operation, the paper detailed documentation of theory, experiment and the algorithm shows that morbid equation for solving the source code)

SAP5 源代码，完整的有限元源程序。LS1.FOR-LS10.FOR(SAP5 Source Code)

有限元二维静力计算程序，采用四节点线性单元，可以显示变形和应力云图。(Finite element analysis program for 2D problems)

线性规划中的单纯形法的c实现，代码有测试类，(Simplex method for linear programming)

说明：  时域物理光学法，包括了立方体刨分程序，二维fft计算，任意目标的散射系数的程序。 学习物理光学的很好的入门代码。(The physical optics method in time domain, including the cube planing procedures, two-dimensional fft calculation, any scattering Coefficients of the target program.)

feap 有限元程序，国外某大学的开源程序(feap finite element program)