1%%copyright (c) 2011 Juan Pablocarbajal <carbajal@ifi.uzh.ch> 2%% 3%% This program is free software: youcan redistribute itand/or modify 4%% it under the terms of the GNU General Public Licenseas publishedby 5%% the Free Software Foundation, either version 3 of the License, or 6%% any later version. 7%% 8%% This program is distributed in the hope that it willbe useful, 9%% but WITHOUTaNY WARRANTY; without even the implied warranty of 10%% MERCHANTABILITY or FITNESS FORa PARTICULAR PURPOSE. See the 11%% GNU General Public License for more details. 12%% 13%% You should have receivedacopy of the GNU General Public License 14%% along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16%% -*- texinfo -*- 17%% @deftypefn {Function File} {@var{qc} = } quatconj (@var{q}) 18%% Conjugate of a quaternion. 19%% @end deftypefn 20 21function qc = quatconj(q); 22 qc = [q(:,1) -q(:,2:4)]; 23endfunction 24