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least-squares problem: B ~ X.A

• To: mathgroup at smc.vnet.net
• Subject: [mg57329] least-squares problem: B ~ X.A
• From: "Pascal" <Pascal.Plaza at ens.fr>
• Date: Wed, 25 May 2005 06:02:32 -0400 (EDT)
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

I would like to find the solution of the least-squares problem: B ~
X.A,
that is, given matrices B and A, find matrix X which minimizes the
difference between B and X.A
(typical dimensions, B: 500x60, X: 500x5, A: 5x60)
Can Mathematica do that?

Thank you for your help.
Pascal.

• Follow-Ups:
  • Re: least-squares problem: B ~ X.A
    • From: Sseziwa Mukasa <mukasa@jeol.com>