Is there a way to export the results of PDE's solution to the gradient？Or the gradient can be calculated from the exported triangular node result？

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Cino 2022-11-16

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https://ww2.mathworks.cn/matlabcentral/answers/1852113-is-there-a-way-to-export-the-results-of-pde-s-solution-to-the-gradient-or-the-gradient-can-be-calcul

评论： Bjorn Gustavsson 2022-11-16

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Bjorn Gustavsson 2022-11-16

You should have access to the pdegrad-function that should handle your case. Or if that doesn't suit your particular need some of the FEX submissions might: trigradient2, trigradient-m or trigradient-m (they are different), or at least offer you something to start modifying to suit your needs.

HTH

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Cino 2022-11-16

Thanks for your guidance, I found some descriptions of the functions you mentioned,and it really works.

https://ww2.mathworks.cn/help/pde/ug/pdegrad.html

Bjorn Gustavsson 2022-11-16

Happy that it helped.

You can expect that at least some 80 % of your problems already have a matlab solution or at least an 80%-partial-solution. Most of the time you should be able to find it browsing the help and doc for the functions or toolboxes, if you cannot find the solution there there is very often something on the file exchange.

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