MathGroup Archive 2007

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Given a matrix A, construct a semi-orthogonal matrix L

  • To: mathgroup at smc.vnet.net
  • Subject: [mg83377] Re: Given a matrix A, construct a semi-orthogonal matrix L
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Sun, 18 Nov 2007 04:58:25 -0500 (EST)
  • References: <fhmh6q$abc$1@smc.vnet.net>

Tebi wrote:
> Given a matrix A with (m, n) dimension and m<n, I want to construct a
> semi-orthogonal matrix L with dimension (n, n-m) [that is, L'L = I,
> where I denotes an identity matrix with dimension (n-m)] such that AL
> = 0.

Try Orthogonalize@NullSpace[mat]

-- 
Szabolcs


  • Prev by Date: Re: Copy and Pasting Tables into Spreadsheet
  • Next by Date: instantiate GUI or graphic elements interactively
  • Previous by thread: Re: Given a matrix A,
  • Next by thread: Trouble with Rotate