FromMetric

• FromMetric is an option for DefCovD giving the metric from which the covariant derivative derives. In case the covariant derivative does not derive from a metric, use Null.

• The default value is Null.
• See: Section 4.5.
• See also: DefCovD.
• New in version 0.
• Last update: 15-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)