how to use variable outside the for loop

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singh
singh 2015-4-25
评论： singh 2015-4-25
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 个评论
Jan
Jan 2015-4-25
Please post the complete error message in every case. A rough summary is not useful in the forum. Thanks.

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采纳的回答

Jan
Jan 2015-4-25
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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