rustml::ops

Trait rustml::ops::Functions [−] [src]

pub trait Functions {
    fn sigmoid(&self) -> Self;
    fn sigmoid_derivative(&self) -> Self;
    fn recip(&self) -> Self;
}

Trait for common mathematical functions for scalars, vectors and matrices.

Required Methods

fn sigmoid(&self) -> Self

Computes the sigmoid function (i.e. 1/(1+exp(-x))) for a scalar or each element in a vector or matrix.

fn sigmoid_derivative(&self) -> Self

Computes the derivative of the sigmoid function (i.e. sigmoid(x) * (1 - sigmoid(x))) for a scalar or each element in a vector or matrix.

fn recip(&self) -> Self

Computes the reciprocal (inverse) of each element of the matrix and returns the result in a new matrix.

Implementors