Mercurial > hg > ltpda
view m-toolbox/classes/@smodel/sop.m @ 13:e05504b18072 database-connection-manager
Move more functions to utils.repository
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
children |
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% SOP apply a symbolic operation to the expression. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DESCRIPTION: SOP apply a symbolic operation to the expression. % objects. % % CALL: obj = sop(mdl, plist) % obj = mdl.sop(plist) % % <a href="matlab:utils.helper.displayMethodInfo('smodel', 'sop')">Parameters Description</a> % % VERSION: $Id: sop.m,v 1.7 2011/04/08 08:56:28 hewitson Exp $ % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function sop(mdls, callerIsMethod, smodel_invars, operation, args, pl, info, varargin) import utils.const.* if isempty(operation) error('### Please give a valid symbolic operator'); end % Loop over the input objects for jj = 1:numel(mdls) % Message utils.helper.msg(msg.PROC1, 'applying %s to %s ', operation, mdls(jj).name); % Fix syntax (replacing .* with * and so) to allow symbolic evaluation mdls(jj).expr.s = utils.prog.convertComString(mdls(jj).expr.s , 'ToSymbolic'); % Go symbolic now d = feval(operation, sym(mdls(jj).expr.s), args{:}); % Go back to string mdls(jj).expr.s = utils.prog.mup2mat(d); % Replace * like expressions with .* to allow numeric evaluation mdls(jj).expr.s = utils.prog.convertComString(mdls(jj).expr.s , 'FromSymbolic'); % In the case of transforms, sets the new x variable switch lower(operation) case {'laplace', 'ilaplace', 'fourier', 'ifourier', 'ztrans', 'iztrans'} if ~isempty(args) % The return variable is the last argument mdls(jj).xvar = args{end}; end otherwise end if ~callerIsMethod % Set new AO name mdls(jj).name = [operation '(' smodel_invars{jj} ')']; % Add history step mdls(jj).addHistory(info, pl, smodel_invars(jj), mdls(jj).hist); end end end