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view +grid/boundaryIdentifier.txt @ 551:c5a7a13c03dc feature/grids/laplace_refactor

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Switch to using spdiag instead of spdiags
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 28 Aug 2017 19:01:40 +0200
parents 763d50caddf3
children
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A grid.boundaryIdentifier identifies a boundary of a grid.
For a Cartesian grid it is simply 's', 'n', 'w', 'e'.
For a multiblock grid it might be something like {1, 's'}.
For some other grid it will be up to the developer to chose
a good way to identify boundaries.