[muchong.com]MATLAB在计算物理中的应用

说明：  finite element theory

对FFT算法的基2时析型实现，在实习时很多专业会用到(Algorithm based on FFT analysis of type 2 o)

小波包分析提取振动信号中的特征频率，大学数值分析算法，计算互信息非常有用的一组程序。( Wavelet packet analysis to extract vibration signal characteristic frequency, University of numerical analysis algorithms, Mutual information is useful to calculate a set of procedures.)

雅可比迭代（过关法）计算实对称矩阵的特征值和特征向量(Jacobi iteration (immigration law) the calculation of Real Symmetric Matrix Eigenvalues and eigenvectors)

计算多材料单元平均应力应变,用于提取计算等效弹性模量 泊松系数(Calculate the average stress-strain of multi-material elements)

《最优化理论与方法》书籍中的乘子法的源程序，该书中的很多案例都用此方法试验过，本代码是一个小案例，将目标函数和约束函数按自己的需求换掉就能进行所期望的运算(" Optimization Theory and Methods" books multiplier method of the source, the book' s many cases are tested using this method, the code is a small case, the objective function and constraints to replace it according to their needs can perform the desired operation)

比较JPLDE405的切比雪夫系数导出的位置与低精度月球坐标分析。(Comparative Analysis of JPL DE405 cut Chebyshev coefficients derived position with low accuracy lunar coordinates.)

用刷选法求出100之内的素数。并输出数有多少个。(100 prime number is calculated by the method of selection. And the output count how many.)

用于计算裂纹的扩展有限元程序，Matlab编写(Extended finite element program used to calculate the crack, Matlab prepared)

2D FDTD TE mode with a plane wave source and a PML abc