Created
August 14, 2019 10:54
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| def knapsack_loss(input_weights, input_prices, input_capacity, cvc=1): | |
| def loss(y_true, y_pred): | |
| picks = y_pred | |
| return (-1 * K.batch_dot(picks, input_prices, 1)) + cvc * K.maximum( | |
| K.batch_dot(picks, input_weights, 1) - input_capacity, 0) | |
| return loss |
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