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Subject: Re: Matrix matching
Date: Thu, 13 Aug 2009 19:33:02 +0000 (UTC)
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"charles atlas" <mufasa1234555@yahoo.com> wrote in message <h61k2i$p69$1@fred.mathworks.com>...

Just in case it matters, the problem isn't entirely well defined. 

Suppose A has identical rows and B is a version of A with some of these rows deleted. 
Then it's not clear where the new rows (of zeros) should be inserted into B.

You could insert them anywhere provided that there are enough new rows to equal the number of original rows in A.