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view util/ksvd utils/iswhole.m @ 151:af5abc34a5e1

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Added tag release_1.51 for changeset 30872eb3d160
author Ivan Damnjanovic lnx <ivan.damnjanovic@eecs.qmul.ac.uk>
date Tue, 26 Jul 2011 16:02:59 +0100
parents c3eca463202d
children
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function z = iswhole(x,epsilon)
%ISWHOLE Determine whole numbers with finite precision.
%  Z = ISWHOLE(X,EPSILON) returns a matrix the same size as X, containing
%  1's where X is whole up to precision EPSILON, and 0's elsewhere. 
%
%  Z = ISWHOLE(X) uses the default value of EPSILON=1e-6.


%  Ron Rubinstein
%  Computer Science Department
%  Technion, Haifa 32000 Israel
%  ronrubin@cs
%
%  May 2005

if (nargin<2), epsilon = 1e-6; end
z = abs(round(x)-x) < epsilon;