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How to solve this ODE in SMath?
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Offline OchkovVF  
#1 Posted : 27 April 2024 20:15:52(UTC)
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Lens.sm (363kb) downloaded 9 time(s).
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Offline StvMath  
#2 Posted : 28 April 2024 02:49:01(UTC)
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Looks like the algebraic relationships need to be separated out:

Lens.png

Lens_stv.sm (364kb) downloaded 8 time(s).

Edited by user 28 April 2024 03:06:32(UTC)  | Reason: Improve clarity
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thanks 1 user thanked StvMath for this useful post.
on 28/04/2024(UTC)
Offline OchkovVF  
#3 Posted : 28 April 2024 09:18:10(UTC)
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Thanks!
New question.
Can we use here the Mathcad-block for ODE solution?
See please the attach
Lens.sm (119kb) downloaded 5 time(s).
13-7-Lens.png

Edited by user 28 April 2024 09:41:36(UTC)  | Reason: Not specified
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Offline OchkovVF  
#4 Posted : 01 May 2024 20:07:58(UTC)
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The solution at N>30 and with units
Lens-Euler-RungeKutta.sm (60kb) downloaded 12 time(s).
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