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symbolic bridge tries to apply chain rule to index values #89

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kpeeters opened this issue Apr 12, 2018 · 1 comment
Closed

symbolic bridge tries to apply chain rule to index values #89

kpeeters opened this issue Apr 12, 2018 · 1 comment

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@kpeeters
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{x,y,z}::Coordinate;
{i,j,k}::Indices(values={x,y,z});
\partial{#}::PartialDerivative;
F_{i j}::Depends(x,y,z);
ex:=\partial_{i}{F_{i k}} + m**2 A_{k};
evaluate(ex);

produces an output which contains chain rule expression of the type Derivative(DN(x), x) because the indices get passed along as arguments.

@kpeeters
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Fixed by 2d8a0e4

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