Convert a structure array to a list

78 vues (au cours des 30 derniers jours)
Aleem Andrew
Aleem Andrew le 10 Mar 2021
Commenté : Aleem Andrew le 11 Mar 2021
I am trying to convert a structure array into a list rather than a cell to be able to perform operations such as finding the inverse Laplace of each of the elements more easily as with the list x below.
syms s
x = [(11816914992063660*s)/(18014398509481984*s^2 + 3567972556901945); -(6638091741507548*s)/(4503599627370496*s^2 + 7002908864245409);...
(2661668130624680*s)/(2251799813685248*s^2 + 7311548066690791)];
ilaplace(x)
In the following code I want to find the inverse Laplace of each of the elements of the structure array sol.
syms s r1 r2 r3
r = [r1 r2 r3];
eqns = [r1*s^2 - 0.65597*s + 0.19806*r1 == 0.0, r2*s^2 + 1.474*s + 1.555*r2 == 0.0,...
r3*s^2 - 1.182*s + 3.247*r3 == 0.0];
sol = solve(eqns,r);
Converting sol to a cell array with struct2cell causes an error message if you type ilaplace(sol) to find the inverse Laplace of each element. Is there a way to convert the structure array sol to a list so this can be done?
  2 commentaires
Stephen23
Stephen23 le 11 Mar 2021
"I am trying to convert a structure array into a list rather than a cell..."
MATLAB does not have a "list" type.
What code did you try and what is the exact error message you are getting?
Aleem Andrew
Aleem Andrew le 11 Mar 2021
I meant a double type. I tried struct2cell(sol) and then ilaplace(sol) which led to an error message which would not happen if sol could be converted to a double.

Connectez-vous pour commenter.

Réponse acceptée

Jorg Woehl
Jorg Woehl le 11 Mar 2021
Modifié(e) : Jorg Woehl le 11 Mar 2021
c = struct2cell(sol);
ilaplace([c{:}].')
  1 commentaire
Aleem Andrew
Aleem Andrew le 11 Mar 2021
Thank you for your answer

Connectez-vous pour commenter.

Plus de réponses (0)

Catégories

En savoir plus sur Data Type Conversion dans Help Center et File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by