How to solve the nonlinear equations?

How to solve the nonlinear equations? - Messages

#1 Posted: 3/4/2025 10:39:59 AM

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The 4 unknows are H, u, m and A0
The al_nlesoolve doesn't get answer.
File not found.File not found.

#2 Posted: 3/4/2025 1:33:17 PM

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The first step!
From 4 to 3 equations!

#3 Posted: 3/4/2025 9:04:31 PM

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In fact, reduce to two equations and use a simple two-variable Newton-Raphson:

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netsonicyxf 3/5/2025 6:18:00 PM

#4 Posted: 3/6/2025 12:56:21 AM

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With plot

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netsonicyxf 3/8/2025 9:52:00 PM