def eval_Rf ( self , Vf ) : return sl . inner ( self . Df , Vf , axis = self . cri . axisM ) - self . Sf
get gradient of rbf interpolation python
Evaluate smooth term in Vf .
def eval_Rf(self, Vf):
        """Evaluate smooth term in Vf."""

        return sl.inner(self.Df, Vf, axis=self.cri.axisM) - self.Sf