convert popupmenu's selected string to number form
2 views (last 30 days)
Show older comments
i've popupmenu having entries as
2
4
8
16
32
64
128
i want when user selects '2' , this string value convert to 2 as number so that i can use it in variable and i can use it in my mathematical calculations.
i tried following code....
str = get(handles.popupmenu3,'String');
val = get(handles.popupmenu3,'Value');
switch str{val};
case '2'
a = get(handles.popupmenu3,'String');
a1 = str2num(a);
b = get(handles.popupmenu3,'String');
b1 = str2num(b);
case '4'
a = get(handles.popupmenu3,'String');
a1 = str2num(a);
b = get(handles.popupmenu3,'String');
b1 = str2num(b);
case '8'
a = get(handles.popupmenu3,'String');
a1 = str2num(a);
b = get(handles.popupmenu3,'String');
b1= str2num(b);
case '16'
a = get(handles.popupmenu3,'String');
a1 = str2num(a);
b = get(handles.popupmenu3,'String');
b1 = str2num(b);
case '32'
a = get(handles.popupmenu3,'String');
a1 = str2num(a);
b = get(handles.popupmenu3,'String');
b1 = str2num(b);
end
same for other cases like 64 and 128...
when i run this i got the error:
Error using str2num (line 33)
Requires string or character array input.
plz help me in correcting my error...
0 Comments
Accepted Answer
Walter Roberson
on 29 Jun 2013
You don't need the switch and cases. Just use
a1 = str2double(str{val});
b1 = a1;
0 Comments
More Answers (0)
See Also
Categories
Find more on Data Type Conversion in Help Center and File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!