Module hal::loss

Functions

cross_entropy	Provide a reduced form the cross-entropy loss (single scalar)
cross_entropy_derivative	Provides the vector derivative of the cross-entropy error
cross_entropy_vec	Return a vector form of cross entropy -ylnx - [1-y]ln[1-x]
get_loss	Helper to provide a loss from a string
get_loss_derivative	Helper to provide a loss derivative from a string
get_loss_vec	Helper to provide a loss vector from a string
l2	Provide a reduced form the L2 loss (single scalar)
l2_derivative	Provides the vector derivative of the l2 error
l2_vec	Return a vector form of the l2 error (y - x) * (y - x)
mse	Provide a reduced form the mean squared error loss (single scalar)
mse_derivative	Provides the vector derivative of the mean squared error
mse_vec	Return a vector form of the mean squared error 0.5 * (y - x) * (y - x)