ChangeIndex

ChangeIndex[index] changes the up/down character of index.

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


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