Calculates the gradient of loss function value
Calculates the loss function value
Calculate the gradient numerically, useful for a testing of gradient functions More about gradient checking: http://cs231n.github.io/neural-networks-3/
Calculate the gradient numerically, useful for a testing of gradient functions More about gradient checking: http://cs231n.github.io/neural-networks-3/
input weights vector
input weights vector
delta parameter for a derivative calculation
computed value of the gradient of the loss function