determinant of const + diagonal matrix

From: Hal Daume III (hdaume_at_isi.edu)
Date: 10/25/04 

Date: Mon, 25 Oct 2004 12:35:45 -0700

Hi All --

If a (square) matrix A can be written as the sum of a constant matrix and
a diagonal matrix, is there a simple expression for its determinant?
I.e.:

  A = Q + z 11^T

where

  Q_{ii} = q_i
  Q_{ij} = 0 for i /= j

Thanks in advance!

 - Hal 

-- 
 Hal Daume III                                   | hdaume@isi.edu
 "Arrest this man, he talks in maths."           | www.isi.edu/~hdaume

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