噪声函数测试集合与matlab代码（包含所有的噪声函数，一篇论文以及相应的matlab代码）-Noise function test set with matlab code (including noise function, the paper and the corresponding matlab code)

根据cpso算法给出的一个matlab代码，全，添加测试函数即可运行-According cpso given an algorithm matlab code, full, add test functions to run

SP（subspace pursuit）算法是压缩感知中一种非常重要的贪婪算法，它有较快的计算速度和较好的重构概率，在实际中应用较多。本文给出了SP算法的matlab代码，以及相应的测试函数。-SP (subspace pursuit) compression algorithm is a very important perception greedy algorithm, it has a faster calculation speed and better reconstruction

11个测试函数和对应代码，绘制图像的代码也在，对应的图像也放里面了(There are eleven codes of test function including the codes how to plot them)