profess.System.add_smargiassi_madden_functional

System.add_smargiassi_madden_functional(den0=- 1)

Add Smargiassi-Madden kinetic energy functional.

Parameters:

den0float, optional

Uniform reference density. By default (whenever`den0`<0), uses the system-averaged electron density.

Returns:

systemprofess.System