ProjectDerivative

• ProjectDerivative[expr, cd] converts the induced derivative cd into the original derivative but projected. If the second argument is a list then the function is folded sequentially on all elements.
• ProjectDerivative[expr] expands all induced derivatives.

• See: Section 4.6.
• See also: DefMetric, Projector, ProjectWith.
• New in version 0.
• Last update: 25-X-2007 for version 0.9.3 of xTensor`.

Created by Mathematica  (May 16, 2008)