python使用反向传播(backpropagation)算法在sklearn库自带的缩小版MINIST手写数据集(1797张图片)上进行训练并测试
python代码实现神经网络的构建,NeuralNetwork.pyimportnumpyasnp#layers:Alistofintegerswhichrepresentstheactualarchitectureofthefeedforward#network.Forexample,avalueof[2,2,1]wouldimplythatourfirstinputlayerhastwonod