1% Computes diagnostics for the analysis. 2% 3% [Jb,Jo,Jeof,J] = divand_diagnose(s,fi,d) 4% 5% Computes the value of different terms of the cost-function 6% 7% Input: 8% s: structure created by divand_solve 9% fi: analysis 10% d: observations 11% 12% Output: 13% Jb: background constrain 14% Jeof: observation constrain 15% Jeof: EOF constrain 16 17function [Jb,Jo,Jeof,J] = divand_diagnose(s,fi,d) 18 19d = s.yo; 20xa = statevector_pack(s.sv,fi); 21 22Jb = xa' * s.iB * xa - s.betap * (s.WE'*xa)' * (s.WE'*xa); 23Jo = (s.H*xa - d)' * (s.R \ (s.H*xa - d)); 24 25if all(s.EOF_lambda == 0) 26 Jeof = 0; 27else 28 Jeof = s.betap * ((s.WE'*xa)' * (s.WE'*xa)) - (s.E'*xa)' * (s.E'*xa); 29end 30 31Jo = full(Jo); 32 33J = Jb + Jo + Jeof; 34% Copyright (C) 2014 Alexander Barth <a.barth@ulg.ac.be> 35% 36% This program is free software; you can redistribute it and/or modify it under 37% the terms of the GNU General Public License as published by the Free Software 38% Foundation; either version 2 of the License, or (at your option) any later 39% version. 40% 41% This program is distributed in the hope that it will be useful, but WITHOUT 42% ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 43% FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 44% details. 45% 46% You should have received a copy of the GNU General Public License along with 47% this program; if not, see <http://www.gnu.org/licenses/>. 48