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How to enter in Comsol5.4 a function containing an indefinite integral ?

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Hello, I would like to enter in Comsol5.4 a function containing an antiderivative to represent the laser at any Z absorption depth (the specific formula is shown in the attached figure). I'm going to use this function formula as the coefficient of the equation I'm going to solve. How do I edit this function in Comsol?

I have tried to edit with component coupling (intop1 ()), but it seems that in the one-dimensional case what I got was not a laser in a specific position.


0 Replies Last Post 6 set 2020, 22:17 GMT-4
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Hello 锦玉 曹

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