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integrate_by_parts on multiple partial derivatives is wrong #71

kpeeters opened this Issue Feb 23, 2018 · 1 comment


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kpeeters commented Feb 23, 2018

ex:=\int{ a \partial_{0}{\partial_{0}{a}} }{x};
integrate_by_parts(_, $a$);

produces the wrong sign. Works with \partial{#}::Derivative because the latter does not merge derivative indices into one object.


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kpeeters commented Feb 23, 2018

Fixed in ce98606.

@kpeeters kpeeters closed this Feb 23, 2018

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