How to solve the nonlinear equations?

How to solve the nonlinear equations? - Messages

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

netsonicyxf

2 likes in 79 posts.

Group: User

The 4 unknows are H, u, m and A0
The al_nlesoolve doesn't get answer.
File not found.File not found.
#2 Posted: 2025/3/4 13:33:17
Valery Ochkov

Valery Ochkov

64 likes in 670 posts.

Group: User

The first step!
From 4 to 3 equations!
#3 Posted: 2025/3/4 21:04:31
StvMath

StvMath

43 likes and 1 dislikes in 68 posts.

Group: User

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

1b.sm (23.34 KiB) downloaded 979 time(s).

1b.png
1 users liked this post
netsonicyxf 2025/3/5 18:18:00
#4 Posted: 2025/3/6 00:56:21
Valery Ochkov

Valery Ochkov

64 likes in 670 posts.

Group: User

With plot
Forum.png
Forum.sm (22.7 KiB) downloaded 994 time(s).

1 users liked this post
netsonicyxf 2025/3/8 21:52:00
  • New Posts
  • No New Posts