Hi, Do we have symbolic Kronecker delta in Sage?
While I could find signum (sgn) function but it returns wrong answer for symbolic input. -------- sage: sgn(x) 1 -------- These are very useful for symbolic computation in Physics. Cheers, Golam --~--~---------~--~----~------------~-------~--~----~ To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
