Struct rusty_machine::learning::toolkit::cost_fn::CrossEntropyError [] [src]

pub struct CrossEntropyError;

The cross entropy error cost function.

Trait Implementations

impl CostFunc<Matrix<f64>> for CrossEntropyError
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fn cost(outputs: &Matrix<f64>, targets: &Matrix<f64>) -> f64

The cost function.

fn grad_cost(outputs: &Matrix<f64>, targets: &Matrix<f64>) -> Matrix<f64>

The gradient of the cost function.

impl CostFunc<Vector<f64>> for CrossEntropyError
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fn cost(outputs: &Vector<f64>, targets: &Vector<f64>) -> f64

The cost function.

fn grad_cost(outputs: &Vector<f64>, targets: &Vector<f64>) -> Vector<f64>

The gradient of the cost function.