Index of item in matrix

Wed, Apr 2, 2003 8:52 PM

Hi,

 | Date: Wed, 02 Apr 2003 14:39:05 -0400
 | From: John Janmaat <john.janmaat at acadiau.ca>
 | Hello All,
 | 
 | Is there a fast way to find the index(row and column) of a point in a 
 | matrix?

what do you mean as ,,a point in a matrix''?  Perhaps 
which( ,arr.ind=T) does what you are looking for.

Best wishes,
Ott

Thread (8 messages)

John Janmaat Index of item in matrix Apr 2 Marc Schwartz Index of item in matrix Apr 2 Spencer Graves Index of item in matrix Apr 2 Ott Toomet Index of item in matrix Apr 2 Roger Bivand Index of item in matrix Apr 2 Torsten Hothorn Index of item in matrix Apr 2 Sundar Dorai-Raj Index of item in matrix Apr 3 Spencer Graves Index of item in matrix Apr 3