UpIndex

• UpIndex[index] converts index into a contravariant index.

• UpIndex has been defined on all known types of indices. For an unknown type of index it returns the original input.
• See: Section 2.1.
• See also: DownIndex, UpIndexQ.
• New in version 0.
• Last update: 14-V-2008 for version 0.9.5 of xTensor`.

Created by Mathematica  (May 16, 2008)