신경망 각 층의 구현(분류)
import numpy as npimport matplotlib.pyplot as pltX = np.arange(-1.0, 1.0, 0.1)Y = np.arange(-1.0, 1.0, 0.1)w_im = np.array([[1.0,2.0],[2.0,3.0]])w_mo = np.array([[-1.0,1.0],[1.0,-1.0]])b_im = np.array([0.3,-0.3])b_mo = np.array([0.4,0.1])def middle_layer(x, w, b): u = np.dot(x, w) + b return 1/(1+np.exp(-u))def output_layer(x, w, b): u = np.dot(x, w) + b return np.exp(u)/np.sum(np.ex..