COMSOL notation

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My question might sound pretty dumb but i can't find any information relative to the notation δ used as an operator in the documentation of COMSOL on this page at (3-212) https://doc.comsol.com/6.3/doc/com.comsol.help.sme/sme_ug_theory.06.087.html#4015992 Mathematically how is it defined ? Thanks in advance


1 Reply Last Post 29 déc. 2024, 18:54 UTC−5

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Posted: 2 months ago 29 déc. 2024, 18:54 UTC−5

Hello,

This is the variational operator. If you are interested to know more, the following video can be helpful: https://www.youtube.com/watch?v=vqDHO2eKXcs

Regards, Milad

Hello, This is the variational operator. If you are interested to know more, the following video can be helpful: https://www.youtube.com/watch?v=vqDHO2eKXcs Regards, Milad

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