How can I use cycle in structures?
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Hi all, Well I have structure that contains multiple variables for example
% code
a.a=1;
a.b=2;
a.c=3;
a.d=4;
a.e=5;
a.f=6;
etc...
The problem is that I want to call the third variable of a structure without calling its name for example in such way a.(3) but it does not work, so my idea is to use for loot for it but I do not know how to use it. Any ideas would be a great job for me.
0 commentaires
Réponse acceptée
Guillaume
le 22 Jan 2015
If the fields of the structure have no meaning and only their order is important, then you shouldn't be using structures. If all you're storing in your fields are scalars, then a matrix would be better, otherwise a cell array. Using structure fields for that is just as bad as using dynamically generated variable names.
So, assuming you're not using the structure as a structure, I'd convert it to a cell array with struct2cell and then optionally to a matrix with cell2mat:
c = struct2cell(a);
%accessing the 3rd variable is then:
var3 = c{3};
%if all values are scalar, then:
m = cell2mat(c);
var3 = m(3);
fn = fieldnames(a);
var3 = a.(fn{3});
Plus de réponses (0)
Voir également
Catégories
En savoir plus sur Structures 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!