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Solving basic system of equations - How to solve 2 equations with 2 unknowns - Messaggi

#1 Pubblicato: 09/01/2020 06:02:39
gurnarok

gurnarok

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Hi, I am trying to solve this equation
Equation



How can I use the solve(2)/solve(4) function for this?
#2 Pubblicato: 09/01/2020 07:56:09
Jean Giraud

Jean Giraud

983 apprezzamenti in 6.866 post.

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Wrote

Hi, I am trying to solve this equation


... like this, simply ... two most direct methods.
Not a case of solve(2), solve(4).
There are more methods than in the attached.
Observe the so much from so little
Cheers ... Jean

Solve-roots.PNG

Solve [x,y,z] Compactum.sm (92,99 KiB) scaricato 965 volta(e).
#3 Pubblicato: 09/01/2020 07:59:18
sergio

sergio

127 apprezzamenti in 342 post.

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"solve" is only for one-variable functions. You can use "FindRoot" or "roots" as in the attached example solve.sm (6,38 KiB) scaricato 1190 volta(e).
sergio
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