STFPart

• STFPart[expr, metric] returns the symmetric trace-free part of expr with respect to the given metric.
• STFPart[expr, metric, inds] symmetrizes and removes traces only in the indices inds.

• Currently this function only works on abstract indices.
• See: Section 7.3.
• See also: ImposeSymmetry.
• New in version 0.
• Last update: 28-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)