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garth-wells
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May 14, 2022
garth-wells
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May 15, 2022
garth-wells
approved these changes
May 16, 2022
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Orthogonalise the polynomial basis during element construction.
This reduces the condition number of the dual matrices. eg for serendipity elements (built-in = current elements on main, orthogonalised = after this PR):
This has a knock on effect of reducing the error when solving problems, eg: