how to use variable outside the for loop

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singh
singh on 25 Apr 2015
Commented: singh on 25 Apr 2015
suppose i use for loop and this is code
N=20;
area=100;
X=rand(1,N)*area;
Y=rand(1,N)*area;
htext=[];
for i1=1:2
for i=1:N
htext(i)=text(X(i),Y(i),num2str(i),'fontsize',20);
hold on
end
end
delete(htext)
for ii=1:5
delete(htext(ii));
end
now error is come when delete(htext) is execute plz give me some solution.
beacuse it show the message when cursor move on the htext variable 'htext size will be change every iteration '.how to delete hetxt value in for loop and out of for loop
  2 Comments
Jan
Jan on 25 Apr 2015
Please post the complete error message in every case. A rough summary is not useful in the forum. Thanks.

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Accepted Answer

Jan
Jan on 25 Apr 2015
for i=1:5
htext(i)=text(X,Y,num2str(i));
end
pause(1)
delete(htext)
delete can delete the complete vedtor in on step without a loop.

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