GPy/kern/_src/kern.py
def gradients_XX_diag(self, dL_dKdiag, X):
        """
        The diagonal of the second derivative w.r.t. X and X2
        """
        raise(NotImplementedError, "This is the diagonal of the second derivative of K wrt X and X2, and not implemented for this kernel")

        The diagonal of the second derivative w.r.t. X and X2
        
The diagonal of the second derivative w.r.t. X and X2
The diagonal of the second derivative w . r . t . X and X2
def gradients_XX_diag(self, dL_dKdiag, X):
        raise(NotImplementedError, "This is the diagonal of the second derivative of K wrt X and X2, and not implemented for this kernel")
def gradients_XX_diag ( self , dL_dKdiag , X ) : raise ( NotImplementedError , "This is the diagonal of the second derivative of K wrt X and X2, and not implemented for this kernel" )
The diagonal of the second derivative w.r.t.
The diagonal of the second derivative w . r . t .
"""
        The diagonal of the second derivative w.r.t. X and X2
        """
self
dL_dKdiag
X