5.23.17. tools.get_reduced_gradient¶ eminus.tools.get_reduced_gradient(scf, eps=0)[source]¶ Calculate the reduced density gradient s. Reference: Phys. Rev. Lett. 77, 3865. Parameters: scf – SCF object. Kwargs:eps: Threshold of the density where s should be truncated. Returns: Real-space reduced density gradient.