Effacer les filtres
Effacer les filtres

Checking if variable exists in GUI

11 vues (au cours des 30 derniers jours)
Jakub
Jakub le 12 Avr 2013
Hi, in my GUI i want to check if variable m exists and if so do some stuff with it and if it doesnt exist do something else...I have solution using ishandle function but there are some problems with it and i have to make m global variable and i dont want to. Thanks for help!!

Connectez-vous pour répondre à cette question.

Réponse acceptée

Walter Roberson
Walter Roberson le 12 Avr 2013
if exist('m', 'var')
Or is 'm' not in the current workspace?
  1 commentaire
Jakub
Jakub le 15 Avr 2013
I have to make m global variable, which is sad. And if m is global variable , it exists but it doesnt containt any value. So one solution is to make m global variable and then instead of ifexist use isempty.

Connectez-vous pour commenter.

Plus de réponses (0)

Catégories

En savoir plus sur Matrices and Arrays dans Help Center et File Exchange

Tags

Community Treasure Hunt

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

Start Hunting!

Translated by