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Topic: 'index out of bounds' error
Replies: 5   Last Post: Nov 27, 2012 9:56 AM

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dpb

Posts: 8,232
Registered: 6/7/07
Re: 'index out of bounds' error
Posted: Nov 27, 2012 8:46 AM
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On 11/27/2012 7:28 AM, Jimbob wrote:
> Hi. I have a small error that I'm sure is down to my inexperience. Any
> help with this would be more than grateful!
>

...

> The error from Matlab is as follows:
>
> ---------
>
> Attempted to access Wp(2,3); index out of bounds because size(Wp)=[1,6].
>
> Error in voc4channel (line 43)
> [b, a] = ellip (n, Rp, Rs, Wp(i,i+1));


...

>
> f=[0:x:35]

...
> Wp = (165.4*(10.^(0.06*f)-1))/(Fs/2)

...

> %% Split into channels
> for i=1:numchan % loop to split into channels
> [b, a] = ellip (n, Rp, Rs, Wp(i,i+1));
> y_channel = filter(b, a, y);

...

The problem is you're addressing Wp as a 2D array but it's defined as a
1D vector earlier. To address a subset of an array use the ':'

[b, a] = ellip (n, Rp, Rs, Wp(i{i+1));

--








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