1. The first step was to choose small, random values for the initial neural network weights and biases matrices, W1, B1 and W2, B2, for the first and second neuron layers,respectively.
2. For the forward propagation calculation of the network, the equation matrix output of the first neuron layer was obtained as follows
1. The first step was to choose small, random values for the initial neural network weights and biases matrices, W1, B1 and W2, B2, for the first and second neuron layers,respectively.2. For the forward propagation calculation of the network, the equation matrix output of the first neuron layer was obtained as follows
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