MachineLearning_project1.py 文件源码

def CreatData():
    """
    1.?????????????
    2.????-2.5?+2.5?
    3.?????func_(x)
    """  
    RandNumberX = arange(-2.5,2.5,5.0/DataMaxSize)
    RandNumberY=[]
    for x in RandNumberX:
        #RandNumberY.append(func_(x)+random.lognormvariate(0, 1)) #????
        RandNumberY.append(func_(x)+ uniform(-0.2, 0.2))
    return RandNumberX,RandNumberY