AllowUpperDerivatives

• AllowUpperDerivatives is a Boolean option for ContractMetric. If True, an inverse metric can be contracted with a covariant derivative givien a derivative with a contravariant index. If False, that cannot be done.

• The default value is False.
• See: Section 4.6.
• See also: Metric, ContractMetric.
• New in version 0.
• Last update: 24-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)