import numpy as np
class NeuralNetwork():
def __init__(self):
np.random.seed(1)
self.synaptic_weights = np.random.random((8, 5))
def rectified(self, x):
return max(0, x)
def rectified_derivative(x):
x[x<=0] = 0
x[x>0] = 1
return x
def train(self, training_inputs, training_outputs, training_iterations):
for iteration in range(training_iterations):
output = self.think(training_inputs)
error = training_outputs - output
adjustments = np.dot(training_inputs.T, error * self.rectified_derivative(output))
self.synaptic_weights += adjustments
def think(self, inputs):
inputs = inputs.astype(float)
output = self.rectified(np.dot(inputs, self.synaptic_weights))
return output
不知道为什么我会收到此错误。有人可以指出我正确的方向吗?错误在这一行:
ValueError:具有多个元素的数组的真值不明确。使用 a.any() 或 a.all()
return max(0, x)