solvepdeeig ignores f coefficient

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Hugh Sull
Hugh Sull 2021-10-19
评论： Hugh Sull 2021-10-24
Take the example given here: https://au.mathworks.com/help/pde/ug/eigenvalues-and-eigenfunctions-for-the-l-shaped-membrane.html
The pde coefficients are given as: specifyCoefficients(model,'m',0,'d',1,'c',1,'a',0,'f',0);
However, no matter what I substitute into for 'f' I get the same result.
What's going on?

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采纳的回答

Harikrishnan Balachandran Nair
Hi,
The 'solvepdeeig' function solves PDE eigen value problems of the form as stated in the documentation here : https://www.mathworks.com/help/pde/ug/pde.pdemodel.specifycoefficients.html
We can see from the form of the equation that 'f' is not a part of the problem. Hence it may be specified as zero.

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