Dir

• Dir[v] is a directional index in any tensorial slot. Its single argument v is assumed to be a vector or a covector.

• See: Section 2.4.
• See also: SeparateDir, ContractDir.
• New in version 0.
• Last update: 28-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)