home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
OS/2 Shareware BBS: 10 Tools
/
10-Tools.zip
/
octa21eb.zip
/
octave
/
SCRIPTS.ZIP
/
scripts.fat
/
control
/
freqchkw.m
< prev
next >
Wrap
Text File
|
1999-04-29
|
1KB
|
37 lines
# Copyright (C) 1996 A. Scottedward Hodel
#
# This file is part of Octave.
#
# Octave is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version.
#
# Octave is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
#
# You should have received a copy of the GNU General Public License
# along with Octave; see the file COPYING. If not, write to the Free
# Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
function USEW = freqchkw(w)
# function USEW = freqchkw(w)
# used by freqresp to check that input frequency vector is legal
# A S Hodel July 1996
if(isempty(w))
USEW = 0;
elseif(!is_vec(w))
error(["w (",num2str(rows(w)),"x",num2str(columns(w)), ...
"): must be [], a vector or a scalar"]);
elseif( (max(abs(imag(w))) != 0) && (min(real(w)) <= 0) )
error("w must have real positive entries");
else
w = sort(w);
USEW = 1; # vector provided (check values later)
endif
endfunction