mdhasanai

def relu(x):
    """
    Compute the relu of x
    Arguments:
    x -- A scalar or numpy array of any size.
    Return:
    s -- relu(x)
    """
    s = np.maximum(0,x)
    

mdhasanai

import numpy as np


def sigmoid(x):
    s = 1. / (1 + np.exp(-x))
    return s