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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 (442.12 KiB) downloaded 1203 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

130 likes in 352 posts.

Group: User

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 (306.21 KiB) downloaded 1173 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

983 likes in 6,866 posts.

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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 (73.6 KiB) downloaded 1162 time(s).
Solve Algebraic, NON-Algebraic.sm (176.51 KiB) downloaded 1127 time(s).

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

Ale16595

0 likes in 35 posts.

Group: User

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