fisher

说明：  malab利用數學在桌面上畫出一個XD的圖案(malab draw on the desktop using a mathematical pattern XD)

nonlocal means算法的实现，用于去除斑点噪声(nonlocal means)

三次样条插值，自己编写的，如有错误和不妥之处，还请见谅，轻拍，谢谢(Cubic spline interpolation, I have written, if errors and inappropriate, also please forgive me, pat, thank you)

合式公式的判断，根据输入的公式判断是否是合式公式，数理逻辑(Well-formed formulas of the judge, according to the formula to determine whether the input is a well-formed formulas, mathematical logic)

matlab finite element code for solving pdes

工程电磁仿真 MATLAB源码 来源于麻省理工学院国际电磁研究院。(engineering electromagnetic stimulation with MATLAB code)

计算sigma-delta调制器输出码流的信噪比。(calculate the ratio of signal to noise of sigma-delta modulator.)

NRW方法提取超材料的电磁参数，并包含两篇相关文献(NRW super electromagnetic parameters extracted material and the literature contains two)

c4.5经典算法，实现决策树分类功能，可以对连续数值和离散数值实现很好的分类，并有剪枝功能(c4.5 classic algorithms, to achieve the decision tree classification, can be continuous and discrete numerical values to achieve good classification, and a pruning function)

提取声音信号的MFCC特征参数，然后进行匹配，有训练语音，也有测试语音，测试信号既有训练过的，也有没训练过的，都可以识别(The MFCC feature parameters of sound signal are extracted and matched. There are both trained and tested voices. The tested signals can be recognized by both trained and untrained voices.)