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ianhinder / Kranc

A Mathematica package for generating code for solving time dependent partial differential equations
http://kranccode.org
GNU General Public License v2.0
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Make second covariant derivatives work with tensors of rank > 0 #42

Open ianhinder opened 13 years ago

ianhinder commented 13 years ago

A second covariant derivative of a tensor of rank > 0 leads to a partial derivative of a Christoffel symbol. These are usually shorthands, and cannot be differentiated numerically.