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Error "Subscript indices must either be real positive integers or logicals" in matlab

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Chinmaye

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Error "Subscript indices must either be real positive integers or logicals" in matlab

Hello all,
I am trying to run this simple program to calculate SNR. This is provided in the matlab documentation itself. But I get this error "Subscript indices must either be real positive integers or logicals."
Code: 
rng default
Tpulse = 20e-3;
Fs = 10e3;
t = -1:1/Fs:1;
x = rectpuls(t,Tpulse);
y = 0.00001*randn(size(x));
s = x + y;
pulseSNR = snr(x,s-x)

Please help
 

Re: Error "Subscript indices must either be real positive integers or logicals" in ma

Only positive numbers can be used to index a vector.
 

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