It depends on what you are trying to achieve. There are many, for e.g. see: http://cs231n.github.io/neural-networks-2/#losses http://cs231n.github.io/neural-net

It depends on what you are trying to achieve. There are many, for e.g. see: http://cs231n.github.io/neural-networks-2/#losses http://cs231n.github.io/neural-networks-2/#losses