Function dfdx::tensor_ops::sigmoid
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Equivalent to 1 / (1 + exp(-t))
.
The derivative is sigmoid(t) * (1.0 - sigmoid(t))
.
Examples:
let t = tensor([-1.0, 0.0, 1.0, 2.0]);
// use function version
let r = sigmoid(t.clone());
// or the tensor method!
let r2 = t.sigmoid();