.. _diffusion-cube: diffusion/cube.py ================= **Description** Laplace equation (e.g. temperature distribution) on a cube geometry with different boundary condition values on the cube sides. This example was used to create the SfePy logo. Find :math:`T` such that: .. math:: \int_{\Omega} c \nabla s \cdot \nabla T = 0 \;, \quad \forall s \;. .. image:: /../gallery/images/diffusion-cube.png :download:`source code ` .. literalinclude:: /../examples/diffusion/cube.py