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ゼロからOCamlで作るDeep Learning
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| (* perceptron : float -> float -> float -> float -> float -> float *) | |
| (* description: perceptron with two inputs x1 and x2*) | |
| let perceptron b w1 w2 x1 x2 = if b +. w1 *. x1 +. w2 *. x2 >= 0.0 then 1.0 else 0.0 | |
| let and_gate = perceptron ~-.0.7 0.5 0.5 | |
| let nand_gate = perceptron 0.7 ~-.0.5 ~-.0.5 | |
| let or_gate = perceptron ~-.0.5 1.0 1.0 | |
| let nor_gate = perceptron 0.5 ~-.1.0 ~-.1.0 | |
| let xor_gate x1 x2 = and_gate (nand_gate x1 x2) (or_gate x1 x2) | |
| (* tests *) | |
| let and_00 = and_gate 0.0 0.0 = 0.0 | |
| let and_10 = and_gate 1.0 0.0 = 0.0 | |
| let and_01 = and_gate 0.0 1.0 = 0.0 | |
| let and_11 = and_gate 1.0 1.0 = 1.0 | |
| let nand_00 = nand_gate 0.0 0.0 = 1.0 | |
| let nand_10 = nand_gate 1.0 0.0 = 1.0 | |
| let nand_01 = nand_gate 0.0 1.0 = 1.0 | |
| let nand_11 = nand_gate 1.0 1.0 = 0.0 | |
| let or_00 = or_gate 0.0 0.0 = 0.0 | |
| let or_10 = or_gate 1.0 0.0 = 1.0 | |
| let or_01 = or_gate 0.0 1.0 = 1.0 | |
| let or_11 = or_gate 1.0 1.0 = 1.0 | |
| let nor_00 = nor_gate 0.0 0.0 = 1.0 | |
| let nor_10 = nor_gate 1.0 0.0 = 0.0 | |
| let nor_01 = nor_gate 0.0 1.0 = 0.0 | |
| let nor_11 = nor_gate 1.0 1.0 = 0.0 | |
| let xor_00 = xor_gate 0.0 0.0 = 0.0 | |
| let xor_10 = xor_gate 1.0 0.0 = 1.0 | |
| let xor_01 = xor_gate 0.0 1.0 = 1.0 | |
| let xor_11 = xor_gate 1.0 1.0 = 0.0 |
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