function H = randH(n) % RANDH Generate random Hermitian matrix % requires: nothing % author: Toby Cubitt % license: GPL2 % % H = RANDH(N) generates a random N x N Hermitian matrix. %% Copyright (C) 2004-2009 Toby Cubitt %% %% 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 2 %% 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, write to the Free Software %% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, %% MA 02110-1301, USA. H = 2*(randn(n) + i*randn(n)) - (1+i); H = H + H';