Index in position 2 exceeds array bounds?

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越琪 吴
越琪 吴 2020-10-9
编辑： KSSV 2020-10-9
I wrote the at the beginning of my code
jaywalk=zeros(1,n);
then I changed the values in jaywalk
at the end of my code, I wrote
for i=1:n
if jaywalk(1,i)==1
disp(plate(i));
end
end
when I run the code, matlab always tell me 'Index in position 2 exceeds array bounds'
how can i solve the problem?
Any help will be appreciated! Thanks!

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回答（1 个）

KSSV
KSSV 2020-10-9
编辑：KSSV 2020-10-9
m = length(jaywalk) ;
n = length(plate) ;
if m ~= n
error("length of jaywalk and plate should be same")
else
for i=1:n
if jaywalk(i)==1
disp(plate(i));
end
end
end
If dimensions of jaywalk and plate are same, you can striaght away use indexing instead of loop.
plate(jaywalk==1) % this will display value of plate when jaywalk == 1

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