fast replace for matrix minor

*To*: mathgroup at smc.vnet.net*Subject*: [mg69476] fast replace for matrix minor*From*: Christopher Arthur <caa0012 at unt.edu>*Date*: Wed, 13 Sep 2006 04:03:24 -0400 (EDT)

Is there a quick way to replace a small minor block in a large matrix? Using ReplacePart in a Do loop seems to be very inefficient with respect to timing Chris Arthur

**Follow-Ups**:**Re: fast replace for matrix minor***From:*Sseziwa Mukasa <mukasa@jeol.com>

**Re: fast replace for matrix minor***From:*"Carl K. Woll" <carlw@wolfram.com>