On 3/14/19 1:28 AM, Phạm Ngọc Kiên wrote:
>
> So for the first function
> VectorTools::point_value(dof_handler,solution,point,values);
> I can specify the observed point in real coordiante, solution vector and
> dof_handler to get the values, right?
Correct.
> For the second one, assuming that I am using QGauss for solving the
> system, does it mean that if the point is on the edge of the cell then I
> cannot get the solution at that point?
Yes. It can be any quadrature formula defined on the reference cell. It
doesn't matter where the points are located.
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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