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Error using Zeros, size input must be integers.

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Hazhan Majeed
Hazhan Majeed on 17 Mar 2021
Commented: Hazhan Majeed on 17 Mar 2021
Hi
I get this message (error using zeros, size input bust be integers ) when running this code. anyone knows how to fix this ?
Qd=zeros(size(Q,1)/24,length(A));
for i=1:length(A)
for d=1:size(Q,1)/24
bk=Q(1+24*(d-1):24*d,i);
k=~isnan(bk);
Qd(d,i)=sum(bk(k))/length(k);
end
end
thanks

Accepted Answer

KSSV
KSSV on 17 Mar 2021
Edited: KSSV on 17 Mar 2021
Qd=zeros(round(size(Q,1)/24),length(A));
for i=1:length(A)
for d=1:round(size(Q,1)/24)
bk=Q(1+24*(d-1):24*d,i);
k=~isnan(bk);
Qd(d,i)=sum(bk(k))/length(k);
end
end
The indices of matrices in MATLAB should be poittive integers.. when you are using size(Q,1)/24, if size(Q,1) is not multiple of 24 you will get a fraction and it will throuw error. So using round will round the number into nearest integer.

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