Used to transform a set of relative positions to the cartesian basis defined by the cell of this system. Args: positions

Used to transform a set of positions to the basis defined by the cell of this system. Args: positions (numpy.ndarray): Th

Used to check that the given unit cell is valid. Args: cell(np.ndarray): 3x3 unit cell. pbc(np.ndarray): Cell periodi

Used to check that the given pbc cell is valid and return a normalized value. Args: pbc(np.ndarray): Cell periodicity as

Resets the common structural information that is cached by this object. The caching is done in order to share common structural quanti

Tests that the output vectors behave correctly as a basis.

Test that the requested data type is respected

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

* Create key-value caches of limited size * @returns {function(string, object)} Returns the Object data after storing it on itself with * property n

Return the many-body tensor representation for the given system. Args: system (:class:`ase.Atoms` | :class:`.System`): Input syst