tbplas.cart2frac_s

tbplas.cart2frac_s(lat_vec: ndarray, cart_coord: ndarray, origin: ndarray = array([0., 0., 0.])) → ndarray

Convert a single Cartesian coordinate to fractional. :param lat_vec: (3, 3) float64 array

Cartesian coordinates of lattice vectors, with each ROW being a vector

Parameters:

• cart_coord – (3, ) float64 array Cartesian coordinate to convert

• origin – (3, ) float64 array Cartesian coordinate of lattice origin

Returns:

(3, ) float64 array fractional coordinate in basis of lattice vectors