+ from mjo.eja.eja_cache import complex_hermitian_eja_coeffs
+ a = complex_hermitian_eja_coeffs(self)
+ if a is not None:
+ if self._rational_algebra is None:
+ self._charpoly_coefficients.set_cache(a)
+ else:
+ self._rational_algebra._charpoly_coefficients.set_cache(a)