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求x的平均值，但对其中的一列或几列数据进行求和。(Calculate arithmetic means of matrix x，but calculate the sum of one or some columns. )

为matlab中求解非线性方程组用到的惩罚函数法，相关研究者可以学下(Penalty function method for solving nonlinear equations used for matlab related researchers can learn)

This simulation script set allows for an OFDM transmission to be simulated. Imagetx.m generates the OFDM signal, saving it as a windows WAV file. This allows the OFDM signal to be played out a sound card and recorded back. Imagerx.m decodes the WAV to extract the data.

An exponential distribution random number generator.

半正定矩阵cholesky方法将其分解为两个上下三角矩阵相乘的形式。matlab自带的函数只能分解正定矩阵。并且给出例子。(Semi-definite matrix cholesky method be decomposed into two upper and lower triangular matrices form. matlab built-in function can only be positive definite matrix decomposition.)

人脸的面部特征提取，有很好的效果，直接解压就可以使用(Face facial feature extraction, have very good effect, direct decompression can use )

function to generate hexagonal nanonetworks with pores with various

MATLAB-SIMULINK通信系统建模与仿真实例分析-清华大学编著，很实用的案例分析(MATLAB-SIMULINK communications system modeling and simulation examples analysis- Tsinghua University, edited, very practical case studies)

haze removal (cvpr09) matlab with face beautifulcation algorithmn

dynamics analysis of SC robot