| 1 | initial version |
Looks like you want a combination of IntegerVectors and the Python * operator to pass a list as multiple arguments:
sage: B4 = WeylCharacterRing('B4', style='coroots')
sage: l = [1,2,0,1]
sage: B4(*l).degree()
24192
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.