From: li pan <li76pan@ya...> - 2006-03-23 10:34:45
I need a tensor of order 4. Is this defined in
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From: Roy Stogner <roystgnr@ic...> - 2006-03-23 14:18:47
On Thu, 23 Mar 2006, li pan wrote:
> I need a tensor of order 4. Is this defined in
No; after implementing 2nd order tensors I realized that even those
were hard to generalize efficiently due to possible symmetry. Even if
you've got a 4th order tensor conceptually, it's very unlikely that
you've got the 81 independent coefficients that such a tensor would
require in a general implementation.