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From: Walter Roberson on 23 May 2010 22:58
paul erasto wrote:

> however, i think svd(cA2....) is different from svd(ca2....).

Yes, and I would never name variables with such similar names. (Well,
not unless I was deliberately hiding what was going on.)

> i get the following errors:
> ??? Index exceeds matrix dimensions.
>
> Error in ==> trialcum at 112
> [cA2u cA2s cA2v]=svd(cA2(y:y+blocksize-1,x:x+blocksize-1));

That hints that you are running off of the end of the matrix, that
y+blocksize or x+blocksize is past the end of the matrix.

> Am also still new to matlab, got this code from somewhere on the net. If
> possible could u please debug it for me.....I'll be so greatful.

Sorry, I do not have the appropriate toolbox to run the code.

In your command window, type these two commands:

dbstop if error
dbstop if warning

and then run the code again. When it stops, figure out what is going on.
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