modelLogNormal.py 文件源码

def getModelpdf(self, x):
        if(x>=0):
            output = 1.0/(  (x*self.getSigmaValue())*sqrt(2*np.pi) )
            output *= exp(-0.5*((log(x)- self.getx0Value())/self.getSigmaValue())**2)
        else:
            output = x      

        return scipy.where((x<0), 0.0, output)