?? isint.m
字號:
function y = isint(x,TolInt)
%ISINT True for integer elements (within tolerance).
% y = isint(x,TolInt)
% = abs(x-round(x)) < TolInt
% TolInt = integer tolerance
% = [0.01*sqrt(eps)], default
% Copyright (c) 1994-2006 by Michael G. Kay
% Matlog Version 9 13-Jan-2006 (http://www.ie.ncsu.edu/kay/matlog)
% Input Error Checking ****************************************************
error(nargchk(1,2,nargin));
if nargin < 2 || isempty(TolInt), TolInt = 0.01*sqrt(eps); end
% End (Input Error Checking) **********************************************
y = abs(x-round(x)) < TolInt;
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