Can not solve a system of two equations

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

#1 Posted: 2023/10/7 16:31:52
Valery Ochkov

Valery Ochkov

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CP-Cyrcle.sm (24.37 KiB) downloaded 805 time(s).
#2 Posted: 2023/10/8 08:58:36
Jean Giraud

Jean Giraud

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roots supports a single argument
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Valery Ochkov 2023/10/8 09:05:00
#3 Posted: 2023/10/8 09:04:57
Valery Ochkov

Valery Ochkov

64 likes in 670 posts.

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Wrote

roots supports a single argument


???
#4 Posted: 2023/10/8 13:51:08
overlord

overlord

580 likes in 1,348 posts.

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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) downloaded 816 time(s).

2023-10-08_19-45.png
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Oscar Campo 2023/10/8 22:44:00, Valery Ochkov 2023/10/9 05:52:00
#5 Posted: 2023/10/9 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) downloaded 838 time(s).
Martin KraskaPre-configured portable distribution of SMath Studio: https://en.smath.info/wiki/SMath%20with%20Plugins.ashx
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Valery Ochkov 2023/10/9 05:52:00, Oscar Campo 2023/10/9 07:39:00
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