COMSOL Forums: Complex data

Complex data

October 5, 2009, 5:46 am

Hi, For my analysis i am using matlab to postproces data from Comsol. However when collecting this data from Comsol by posteval, it only export real data. The imaginary part is discarded. What can i do...

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Re: Complex data

October 5, 2009, 7:21 am

Hi have you read through and understood the chapter on posteval in the command.pdf documentation file ? there are a few comments about complex data, I suspect (havnt tried recently) that you must make...

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Re: Complex data

October 6, 2009, 1:34 am

I dont think adding a phase of 90deg is the answer. I simply cant figure out what can export complex values. Another problem in Matlab/Comsol is the following error i get:>> fem.sol.u ???...

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Re: Complex data

October 6, 2009, 3:38 am

Hi I can do little with the cryptic error messages of COMSOL, the best is to get their help there. The only I have noticed is that the "fl" introduction to function names stands for original "Femlab"...

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Re: Complex data

October 8, 2009, 11:17 pm

Apperently you were right about splitting the results in imaginary and real parts. This is my solution: data= posteval(fem,'p','Solnum','all') data2=posteval(fem,'imag(p)','Solnum', 'all')

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