\"Hello-world: 这只是一个新的MATLAB sqrt代码存储库\

matlab代码sqrt -- coding: utf-8 -- author = 'yangwenfeng' import numpy as np import sklearn import sklearn.datasets import sklearn.linear_model import matplotlib.pyplot as plt import matplotlib import operator import time def createData(dim = 200, cnoise = 0.2): ''' 生成数据集 ''' x, y = sklearn.datasets.make_moons(dim, noise = cnoise) plt.scatter(x[:,0], x[:,1], s = 40, c=y, cmap=plt.cm.Spectral) return x,y def initSuperParameter(x): ''' 初始化超参数 ''' global num_examples num_examples = len(x) # 训练集的大小 gl