solving system of equations

Hello
How can I solve a system of equations for 8 equations and 8 variables?
The equations are nonlinear and parametric as below:

7 件のコメント

Mahsa Babaee
Mahsa Babaee 2021 年 2 月 18 日
I used "solve" in my code but it failed in finding a solution (error no explicit solution.)
Using "fsolve" is my idea but I am confused with the initial value that should be given to matlab code.
Now, what should I do?
darova
darova 2021 年 2 月 18 日
try ones for initial values
x0 = ones(8,1);
Alex Sha
Alex Sha 2021 年 2 月 19 日
Hi, Masha, give out all known constant such as k1, h, Lz1..., also give out your equations in text format.
Mahsa Babaee
Mahsa Babaee 2021 年 2 月 19 日
Equations:
Variables:
Assumption:
Parameters:
I need the variables based on parameters.
Mahsa Babaee
Mahsa Babaee 2021 年 2 月 19 日
編集済み: Mahsa Babaee 2021 年 2 月 19 日
Dear Alex, I hope the latter form helps.
Alex Sha
Alex Sha 2021 年 2 月 20 日
Hi, Mahsa, you didn't understand what i mean, for numerical computation, for example fsolve, except X1,...X9, you need to give out all values (h,k1,k2,k3,L1,L2,L3,...) .
Another, the equations you given is in picture format, not text format.
Mahsa Babaee
Mahsa Babaee 2021 年 2 月 28 日
I appreciate your time and attention. I think that I understand what you mean. In other words I have to set values of parameters (h,k1,k2,k3,L1,L2,L3,...) for using fsolve because it just works numerically. Am I right?
But I have to find a analytical solution so fsolve doen't seem efficient! so what should I do??

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2021 年 2 月 28 日

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