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From: | Konstantinos Poulios |
Subject: | Re: Solve with MUMPS failed: matrix is singular |
Date: | Thu, 29 Sep 2022 22:44:05 +0200 |
Hello communityI'm trying to resolve FEM using an add.macro of an _expression_ that is not polynomial ( I use atan ), but every time I get " Solve with MUMPS failed: matrix is singular." . Even if it converges the solution is not correct.Do you have any ideas ?thanks
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