neural_network/main.py

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2024-06-24 13:52:44 +00:00
import numpy as np
from random import random
neurons_per_layer = 4
layers = 2
inputs = 2
outputs = 1
grid_min = -10
grid_max = 10
biases = [[] for _ in range(layers)]
for i in range(0, neurons_per_layer)
weights = [[] for _ in range(layers+2)]
# Input layer to first hidden layer weights
weights[0] = [random() for _ in range(inputs*neurons_per_layer)]
for i in range(1, layers+1):
# Weights between hidden layers
weights[i] = [random() for _ in range(neurons_per_layer ** 2)]
# Weights from last hidden layer to output layer
weights[-1] = [random() for _ in range(outputs*neurons_per_layer)]
def sigmoid(x):
return np.exp(-np.logaddexp(0, -x))