Can not solve a system of two equations

Can not solve a system of two equations - Help me please - Messaggi

#1 Pubblicato: 07/10/2023 16:31:52
Valery Ochkov

Valery Ochkov

67 apprezzamenti in 713 post.

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CP-Cyrcle.sm (24,37 KiB) scaricato 1415 volta(e).
#2 Pubblicato: 08/10/2023 08:58:36
Jean Giraud

Jean Giraud

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roots supports a single argument
1 utenti hanno apprezzato questo post
Valery Ochkov 08/10/2023 09:05:00
#3 Pubblicato: 08/10/2023 09:04:57
Valery Ochkov

Valery Ochkov

67 apprezzamenti in 713 post.

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Wrote

roots supports a single argument


???
#4 Pubblicato: 08/10/2023 13:51:08
overlord

overlord

600 apprezzamenti in 1.381 post.

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You don't have to eliminate units.
There are tricks to use them in solvers.
This is the best I could get.
Maybe a pro user can help you better.
roots() supports multiple argument btw.
Your equations has derivative.
Possibly reason of error by conventional solvers.
roots(), FindRoot(), solve() mostly doesn't like it.

Regards

CP-Cyrcle_solved.sm (32,37 KiB) scaricato 1436 volta(e).

2023-10-08_19-45.png
2 utenti hanno apprezzato questo post
Oscar Campo 08/10/2023 22:44:00, Valery Ochkov 09/10/2023 05:52:00
#5 Pubblicato: 09/10/2023 05:44:58
Martin Kraska

Martin Kraska

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This is a version without solving equations. The curvature is known as a function of the path length.

2023-10-08 20_17_12-SMath Solver - [Spiral-Euler_Kr.sm_].png
02 Ubergangsbogen.sm (80,24 KiB) scaricato 1490 volta(e).
Technische Mechanik mit SMath Studio: https://link.springer.com/book/10.1007/978-3-658-50592-9
2 utenti hanno apprezzato questo post
Valery Ochkov 09/10/2023 05:52:00, Oscar Campo 09/10/2023 07:39:00
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