import numpy as np
sigmoid = lambda x: 1 / (1 + np.exp(-np.clip(x,-709,100000)))
(誤りがあったので訂正しました)
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import numpy as np
sigmoid = lambda x: 1 / (1 + np.exp(-np.clip(x,-709,100000)))
(誤りがあったので訂正しました)
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