(self, x)
return self.funcgrad(x)
Returns the derivative of f(x).

        Args:
            x (Tensor or OpTree): input

        Returns:
            funcgrad (OpTree): computes the derivative of the func(x)
Returns the derivative of f(x).
Returns the derivative of f ( x ) .
def bprop(self, x):
        """
        Returns the derivative of f(x).

        Args:
            x (Tensor or OpTree): input

        Returns:
            funcgrad (OpTree): computes the derivative of the func(x)
        """
        return self.funcgrad(x)
def bprop ( self , x ) : return self . funcgrad ( x )