?????????????.py 文件源码

def CreatData():
    """
    1.?????????????
    2.????-2.5?+2.5?
    3.?????func_(x)
    """  
    RandNumberX = arange(-2.5,2.5,5.0/DALL)
    RandNumberY=[]
    X=[]
    Xc=[]
    Y = []
    Yc=[]
    for i in range(len(RandNumberX)):
        if (i+1)%3==0:
            Xc.append(RandNumberX[i])
        else:
            X.append(RandNumberX[i])
    for x in RandNumberX:
        #RandNumberY.append(func_(x)+random.lognormvariate(0, 1)) #????
        RandNumberY.append(func_(x)+ uniform(-0.2, 0.2))
    for i in range(len(RandNumberY)):
        if (i+1)%3==0:
            Yc.append(RandNumberY[i])
        else:
            Y.append(RandNumberY[i])
    return X,Y,Xc,Yc,RandNumberX,RandNumberY