git-svn-id: http://moon:8086/svn/matlab/trunk@100 801c6759-fa7c-4059-a304-17956f83a07c
51 lines
1.2 KiB
Objective-C
Executable File
51 lines
1.2 KiB
Objective-C
Executable File
## Copyright (C) 2018 Jens Ahrensfeld
|
|
##
|
|
## This program 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 3 of the License, or
|
|
## (at your option) any later version.
|
|
##
|
|
## This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
## -*- texinfo -*-
|
|
## @deftypefn {Function File} {@var{retval} =} interpol_eval (@var{input1}, @var{input2})
|
|
##
|
|
## @seealso{}
|
|
## @end deftypefn
|
|
|
|
## Author: Jens Ahrensfeld <ahrensfeld@w2ess001vm>
|
|
## Created: 2018-11-21
|
|
|
|
function interpol_eval ()
|
|
|
|
N = 20;
|
|
n = (0:N-1);
|
|
|
|
f = 1;
|
|
x = cos(2*pi*f*n/N);
|
|
|
|
Ts = 0.75;
|
|
|
|
ii = 0;
|
|
ns = [];
|
|
while ii < (N-1)
|
|
ns = [ns ii];
|
|
ii = ii + Ts;
|
|
end
|
|
|
|
is = fix(ns);
|
|
fs = ns - is;
|
|
is = is + 1;
|
|
|
|
xs = (1-fs).*x(is) + fs.*x(is+1);
|
|
|
|
plot(n, x, '-*', ns, xs, 'rx'); grid;
|
|
|
|
endfunction
|