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replace image with embedded latex text

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Axel Kohlmeyer
2022-05-04 17:50:25 -04:00
parent edda6b6f70
commit 4c6cb8648b
2 changed files with 3 additions and 2 deletions
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doc/src/third_order.rst
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@ -39,8 +39,9 @@ Description
Calculate the third order force constant tensor by finite difference of the selected group,
.. image:: JPG/third_order_force_constant.png
:align: center
.. math::
\Phi^{\alpha\beta\gamma}_{ijk} = \frac{\partial^3 U}{\partial x_{i,\alpha} \partial x_{j,\beta} \partial x_{k, \gamma}}
where Phi is the third order force constant tensor.