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I get this error "Subscript indices must either be real positive integers or logicals."
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I have the following loop. It runs fine when r=1, but it gives me the following error when r=2 "Subscript indices must either be real positive integers or logicals."
for r=1:m
H_MMSE(:,r) = H_MMSE(RxP(:,r),TxP(:,r),N,pilotFrequency,h,SNR);
end
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Answers (3)
the cyclist
on 28 Nov 2015
The proximate cause is most likely that RxP(:,r) and/or TxP(:,r) are returning non-integer values, so you are trying to index into the array H_MMSE at a non-existent location.
A larger issue is that it looks like you may have defined H_MMSE as both a function and as an array variable. You shouldn't do that. Try renaming one of them.
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Image Analyst
on 28 Nov 2015
See the FAQ: http://matlab.wikia.com/wiki/FAQ#How_do_I_fix_the_error_.22Subscript_indices_must_either_be_real_positive_integers_or_logicals..22.3F and you'll discover the reason why you're getting this error message.
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Walter Roberson
on 29 Nov 2015
H_MMSE is a function before this starts. The function is invoked on the first iteration, and then the array H_MMSE is assigned to because it is the name that appears on the left hand side. So at iteration 2, H_MMSE is no longer a function and is instead now a array and you to access the array with parameters that belong to a function.
Change the name that you are assigning the value to.
for r=1:m
H_MMSE_vals(:,r) = H_MMSE(RxP(:,r),TxP(:,r),N,pilotFrequency,h,SNR);
end
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