BlockedQ

• BlockedQ[index] gives True if index is not contractible, and False otherwise.

• Indices of types C, D, L are always blocked.
• See: Section 2.1.
• See also: EIndexQ.
• New in version 0.
• Last update: 14-V-2008 for version 0.9.5 of xTensor`.

Created by Mathematica  (May 16, 2008)