Non-linear system

Non-linear system - How to write and solve a non-linear system - Messages

#1 Posted: 10/29/2019 5:03:07 AM
Ale16595

Ale16595

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Hi everyone, I'm new to the forum and I have no knowledge of Smath studio.
I have to solve a non-linear system of 6 equations and 6 unknowns and wanted to know which function is best suited to solve it.
Many thanks in advance.
#2 Posted: 10/29/2019 5:38:28 AM
NDTM Amarasekera

NDTM Amarasekera

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Here is an example with 4 unknowns.
Hope this will help you.

Pipe Network Ex3 Improved-R1.sm (442 KiB) downloaded 103 time(s).
Look within!... The secret is inside you. Best Regards Eng. NDTM Amarasekera - Sri Lanka
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sergio 10/29/2019 6:00:00 AM
#3 Posted: 10/29/2019 7:24:07 AM
NDTM Amarasekera

NDTM Amarasekera

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Wrote

Here is an example with 4 unknowns.
Hope this will help you.



Excel Macro version of the same example attached.
Pipe Network by Solver Ex3 Improved.xlsm (306 KiB) downloaded 44 time(s).
Look within!... The secret is inside you. Best Regards Eng. NDTM Amarasekera - Sri Lanka
#4 Posted: 10/29/2019 8:50:45 AM
Jean Giraud

Jean Giraud

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Wrote

I have to solve a non-linear system of 6 equations and 6 unknowns and wanted to know which function is best suited to solve it.


The right answer is: give the system ... there are many ways.

ImplicitSolve.PNG

Solve Algebraic.sm (73 KiB) downloaded 57 time(s).
Solve Algebraic, NON-Algebraic.sm (176 KiB) downloaded 78 time(s).

#5 Posted: 10/29/2019 2:46:45 PM
Ale16595

Ale16595

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Helping me with your examples I managed to solve my problem.
Thank you very much for the answers
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