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comparison scripts/general/is_symmetric.m @ 73:f3c9042fd609

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[project @ 1993-08-30 14:49:08 by jwe]
author jwe
date Mon, 30 Aug 1993 14:54:55 +0000
parents 2d10ab3ee69d
children 16a24e76d6e0
comparison
equal deleted inserted replaced
72:2d480148756b 73:f3c9042fd609
1 function retval = is_symmetric (x,tol) 1 function retval = is_symmetric (x,tol)
2 2
3 # usage: is_symmetric (x{,tol}) 3 # Usage: is_symmetric (x {,tol})
4 # 4 #
5 # If x is symmetric, return the dimension of x, otherwise, return 0. 5 # If x is symmetric, return the dimension of x, otherwise, return 0.
6 # 6 #
7 # See also: size, rows, columns, length, is_matrix, is_scalar, 7 # See also: size, rows, columns, length, is_matrix, is_scalar,
8 # is_square, is_vector 8 # is_square, is_vector
9
10 # Written by A. S. Hodel (scotte@eng.auburn.edu) August 1993.
9 11
10 if (nargin == 1 || nargin == 2) 12 if (nargin == 1 || nargin == 2)
11 if ((retval = is_square (x))) 13 if ((retval = is_square (x)))
12 if (nargin == 1) 14 if (nargin == 1)
13 tol = eps; 15 tol = eps;