i am currently reading a book about continuum mechanics. they define derivatives of tensor valued functions of tensors in such way:(adsbygoogle = window.adsbygoogle || []).push({});

http://en.wikipedia.org/wiki/Tensor_derivative_(continuum_mechanics [Broken])

it seems to be related covariant derivative, but i can not figure out its meaning in physics or maths.

i just try to understand why it should be defined in such way.

any talk will be appreciate.

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# Tensor derivative in continuum mechanics

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