MATLAB: Gui

Question

in gui programming if any variable is defined in push button(or toggle button). then this variable is not accepted by programme in other button in same gui programming

eg:.

push button1

a = [1 2 3 4];

push button2

xlswrite('a.xlsx',a)

this gives undefined variable a; please help me regarding this

thanks pawan kumar

Answer 1

In matlab, scope of a variable is limited to the function in which is declared. If u want to share the variable between multiple functions, then declare it as 'global' in each function which access it. In your case it should be

push button1
global a;
a = [1 2 3 4];
push button2
glabal a;
xlswrite('a.xlsx',a);

Find more on

http://www.mathworks.in/help/techdoc/matlab_prog/f0-38052.html

http://www.mathworks.in/help/techdoc/ref/global.html