1 ## Copyright (C) 2009 Jaroslav Hajek <highegg@gmail.com>
3 ## This program is free software; you can redistribute it and/or modify it under
4 ## the terms of the GNU General Public License as published by the Free Software
5 ## Foundation; either version 3 of the License, or (at your option) any later
8 ## This program is distributed in the hope that it will be useful, but WITHOUT
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 ## You should have received a copy of the GNU General Public License along with
14 ## this program; if not, see <http://www.gnu.org/licenses/>.
17 ## @deftypefn{Function File} {} function ztvals (@var{x}, @var{tol})
18 ## Replaces tiny elements of the vector @var{x} by zeros.
21 ## @var{x}(abs(@var{x}) < @var{tol} * norm (@var{x}, Inf)) = 0
23 ## @var{tol} specifies the chopping tolerance. It defaults to
24 ## 1e-10 for double precision and 1e-5 for single precision inputs.
27 function x = ztvals (x, tol)
29 if (isa (x, 'single'))
39 x(abs(x) < tol*norm (x, Inf)) = 0;
41 error ("ztvals: needs a floating-point argument");