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- import numpy
- #neural network class definition
- class neuralNetwork:
- #initialize the neural network
- def __init__(self, inputnodes, hiddennodes, outputnodes, learningrate):
- # set number of nodes in each input, hidden, output layer
- self.inodes = inputnodes
- self.hnodes = hiddennodes
- self.onodes = outputnodes
- #learning rate
- self.lr = learningrate
- pass
- #train the neural network
- def train():
- pass
- #query the neural network
- def query():
- pass
- #number of input, hidden and output nodes
- input_nodes = 3
- hidden_nodes = 3
- output_nodes = 3
- #learning rate is 0.3
- learning_rate = 0.3
- #create instance of neural network
- n = neuralNetwork(input_nodes, hidden_nodes, output_nodes, learning_rate)
- numpy.random.rand(3, 3)-0.5
- #link weight matrices, wih and who
- #weights inside the arrays are w_i_j, where link is from node i to node j in
- the next layer
- #w11 w21
- #w12 w22 etc
- self.wih = (numpy.random.rand(self.hnodes, self.inodes) - 0.5)
- self.who = (numpy.random.rand(self.onodes, self.hnodes) - 0.5)
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