A problem about using %f
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Mustafa Uysal
am 25 Mai 2019
Bearbeitet: per isakson
am 25 Mai 2019
hİ, i am beginner with matlab
i'm trying to show just first 3 digits of these numbers.
![l.png](https://www.mathworks.com/matlabcentral/answers/uploaded_files/220925/l.png)
For example 150 for first one and 122 for second one. How can i do this?
Here is my code of that part
handles.popupmenu3.String{end+1} = sprintf('l(%d)= %.1f',i,l(i));
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per isakson
am 25 Mai 2019
Bearbeitet: per isakson
am 25 Mai 2019
Try this
%%
K = randi( [1e9,9e9], 1,9 ); % sample data
%%
cac = arrayfun( @(x) num2str(x), K, 'uni',false );
%%
str = string.empty; % or str = cell(1,0);
for ii = 1 : 9
str{end+1} = sprintf( 'l(%d)= %s', ii, cac{ii}(1:3) );
end
str([1,7])
outputs
ans =
1×2 string array
"l(1)= 655" "l(7)= 712"
>>
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