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How to add a padlock in wave equation,electric?

Posted Aug 29, 2013, 4:47 a.m. EDT RF & Microwave Engineering Version 4.2a 0 Replies

Li Hao
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Hi Everyone,

I was exploring comsol 4.2a. faced a problem in applying it.
As can be seen from my attach file, there is a small difference between the two Wave Equations.There is a padlock in the second Wave Equation .Can you help me how to add the padlock?
Thank you very much!

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0 Replies Last Post Aug 29, 2013, 4:47 a.m. EDT
COMSOL Moderator

Hello Li Hao

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