pcamat

有限元分析源代码，能分析梁单元、膜单元、壳体单元等常用的有限元单元，并能计算模态、振型等(Finite element analysis of source code, capable of analyzing beam element, membrane element, shell element, such as commonly used finite element module, and the calculation mode, vibration mode, etc.)

说明：  基于matlab程序的m-k检验方法计算，只要成matlab导入需计算的数据能方便完成m-k检验(Into matlab import the calculated data can facilitate the completion of the test methods based on the the matlab program' s mk mk inspection)

编写一个使用KMP算法的字符串匹配程序。 使用方法：字符串匹配.exe -f xxx.txt -s xxx -f 指定要查找的文件 -s 指定要查找的字符串(Writing a string matching algorithm using KMP program. How to use: string matching exe-f xxx.txt-s xxx-f to specify the file you want to find-s to specify the search string)

溃坝模型，采用无网格法模拟溃坝情况，简单快捷(Break model, the use of non-grid method to simulate dam case, simple and quick)

利用雷诺方程和有限元差分法，计算阶梯滑块的压力分布(Reynolds equation and the use of finite element difference method to calculate the pressure distribution of the slider ladder)

The only information passed from difeq to solvde is the matrix of derivatives

信号维数的估计，计算一维光子晶体的透射特性和反射特性，小波包分析提取振动信号中的特征频率。( Signal dimension estimates, Calculated transmission characteristics and reflection characteristics of the one-dimensional photonic crystals, Wavelet packet analysis to extract vibration signal characteristic frequency.)

说明：  将GNSS RINEX数据转换为电离层总电子含量(GTEX格式)(Convert GNSS RINEX data to Ionospheric Total Electron Content (GTEX format))

随机调制信号下的模拟ppm，连续相位调制信号(CPM)产生，供做算法研究人员参考。( Random ppm modulated analog signal under Continuous phase modulation signal (CPM) to produce, Algorithm for researchers to do reference.)

曲线拟合的最小二乘法要解决的问题，实际上就是求以下超定方程组的最小二乘解的问题。(Least squares curve fitting to solve the problem, in fact, find the following overdetermined least squares solution for the problem group.)