@classmethod
weight_deriv(cls, disp, dists, norm, power, n, gammas_1=None): 

@classmethod
idw_derivs(cls, deriv_order, disp, dists, norm, power, weights): 

@classmethod
get_idw_weights(cls, pts, dists, disps=None, deriv_order=None, zero_tol=1e-06, power=2): 

get_weights(self, pts, dists, inds, zero_tol=1e-06, power=2): 

eval(self, pts, deriv_order=0, neighbors=None, merge_neighbors=None, reshape_derivatives=True, return_interpolation_data=False, check_in_sample=True, zero_tol=1e-08, return_error=False, use_cache=True, retries=None, max_distance=None, min_distance=None, neighborhood_clustering_radius=None, use_natural_neighbors=False, chunk_size=None, power=2, mode='fast'):