(C1) a : matrix([u,n,k],[1,2,3])$
(C2) length(a);
(D2) 2
(C3) length(first(a));
(D3) 3
(C4) size(m) := if matrixp(m) then [length(m),length(first(m))] else
false;
(D4) size(m) := IF MATRIXP(m) THEN [LENGTH(m), LENGTH(FIRST(m))] ELSE
FALSE
(C5) size(a);
(D5) [2, 3]
(C6) a;
[ u n k ]
(D6) [ ]
[ 1 2 3 ]
(C7)
Barton
Alexey <destiny@smtp.ru>
Sent by: maxima-admin@www.ma.utexas.edu
02/27/2003 04:15 PM
Please respond to Alexey
To: maxima@www.ma.utexas.edu
cc:
Subject: [Maxima] Number of columns of the matrix
Hello!
LENGTH(m) if the number of rows in the matrix m. But how to get the
number of columns of the matrix?
--
Alexey