tag:blogger.com,1999:blog-7312788177683132791.post1328990289345956326..comments2016-04-30T10:36:59.176+02:00Comments on Teake's blog: LieLink: a Mathematica interface for LiETeake Nutmahttps://plus.google.com/104687683191639948239noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-7312788177683132791.post-28146858580885746772014-03-06T09:00:41.451+01:002014-03-06T09:00:41.451+01:00Hello. First of all, thanks for your contributions...Hello. First of all, thanks for your contributions to xAct! I've been trying to learn how to use it, but I'm having problems at the moment with the definition and the manipulation of forms. I've tried to define the Faraday tensor in Minkowski space, but I cannot find a way to derive its Hodge dual. Every attempt so far only returns *g F, while I need the components in the defined chart. It would be even better if the final result would be in matrix form, which I have no idea if is even possible with xAct. Could you help me with this?Anonymousnoreply@blogger.com