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Solve system of equations - Sancho_Pansa - Oct-22-2020

Hello,
I have system of 3 equations with 3 variables, where there is product of variables.
Does exist a module allowing to solve it ?
Thanks.


RE: Solve system of equations - Gribouillis - Oct-22-2020

Scipy contains tools to solve systems of equations.


RE: Solve system of equations - metulburr - Oct-22-2020

sympy


RE: Solve system of equations - Sancho_Pansa - Oct-22-2020

In fact it is a system of non-linear equations.
I found a link where author propose fsolve as the only solution for such problem


RE: Solve system of equations - Gribouillis - Oct-22-2020

Why don't you show us the system? It could help find a good way to handle it.


RE: Solve system of equations - Sancho_Pansa - Oct-22-2020

(Oct-22-2020, 11:37 AM)Gribouillis Wrote: Why don't you show us the system? It could help find a good way to handle it.
Here it is:
[Image: system-of-equations.jpg]
Here Rin, CL are constants
omega is also constant but different in each of 3 equations as well as TF.
Cs, L, Rs are variables.


RE: Solve system of equations - Gribouillis - Oct-22-2020

What about Br and Bj. Are they unknown?


RE: Solve system of equations - Sancho_Pansa - Oct-22-2020

Br and Bj are calculated from formulas, shown on the picture.
I did these replacemnts for reading facility.


RE: Solve system of equations - Gribouillis - Oct-22-2020

Have you tried fsolve() ?


RE: Solve system of equations - Sancho_Pansa - Oct-22-2020

Not yet, but indeed this is the tool I will use (if there are no other alternatives)