public static KerasSymbol CategorialHinge(KerasSymbol y_true, KerasSymbol y_pred)
{
var pos = K.Sum(y_true * y_pred, axis: -1);
var neg = K.Max((1 - y_true) * y_pred, axis: -1);
return(K.Maximum(0, neg - pos + 1));
}
public static KerasSymbol Hinge(KerasSymbol y_true, KerasSymbol y_pred)
{
return(K.Mean(K.Maximum(1 - y_true * y_pred, 0), axis: -1));
}