Mercurial > hg > ltpda
view m-toolbox/classes/@matrix/mtimes.m @ 49:0bcdf74587d1 database-connection-manager
Cleanup
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Wed, 07 Dec 2011 17:24:36 +0100 |
parents | f0afece42f48 |
children |
line wrap: on
line source
% MTIMES implements mtimes operator for matrix objects. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DESCRIPTION: MTIMES implements mtimes operator for matrix objects. % % CALL: obj = obj1 * obj2 % obj = mtimes(obj1,obj2); % obj = mtimes(obj1,obj2,obj3) == mtimes(add(obj1,obj2),obj3) % % <a href="matlab:utils.helper.displayMethodInfo('matrix', 'mtimes')">Parameters Description</a> % % VERSION: $Id: mtimes.m,v 1.7 2011/10/13 12:43:49 hewitson Exp $ % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function varargout = mtimes(varargin) callerIsMethod = utils.helper.callerIsMethod; % Check if this is a call for parameters if utils.helper.isinfocall(varargin{:}) varargout{1} = getInfo(varargin{3}); return end if nargout == 0 error('### Matrix multiplication operator can not be used as a modifier.'); end % Collect input variable names in_names = cell(size(varargin)); for ii = 1:nargin,in_names{ii} = inputname(ii);end mat1 = varargin{1}; mat2 = varargin{2}; if isnumeric(mat1) || ischar(mat1) expr = mat1; varNames{1} = num2str(expr); % build a numeric/char object of the same size of mat2 mat1 = copy(mat2,1); % check we do not have filters if any(isa(mat1.objs,'ltpda_filter')) error('### Undefined function or method %s for input arguments of type ltpda_filter',op); end for ii=1:numel(mat1.objs) mat1.objs(ii)=expr; mat1.objs(ii).setName(varNames{1}); mat1.objs(ii).setXunits(mat2.objs(ii).xunits); end end if isnumeric(mat2) || ischar(mat2) expr = mat2; varNames{2} = num2str(expr); % build a numeric/char object of the same size of mat1 mat2 = copy(mat1,1); % check we do not have filters if any(isa(mat2.objs,'ltpda_filter')) error('### Undefined function or method %s for input arguments of type ltpda_filter',op); end for ii=1:numel(mat2.objs) mat2.objs(ii)=expr; mat2.objs(ii).setName(varNames{2}); mat2.objs(ii).setXunits(mat1.objs(ii).xunits); end end % init output mat = copy(mat1,1); % check we do not have filters if any(isa(mat1.objs,'ltpda_filter')) || any(isa(mat2.objs,'ltpda_filter')) error('### Undefined function or method %s for input arguments of type ltpda_filter',op); end [rw1,cl1] = size(mat1.objs); [rw2,cl2] = size(mat2.objs); % Check input model dimensions if ((rw1 == 1) && (rw2 == 1) && (cl1 == 1) && (cl2 == 1)) ids = '1D'; else if (cl1 ~= rw2) error('!!! Matrices inner dimensions must agree') else ids = 'ND'; end end switch ids case '1D' mat.objs = mat1.objs * mat2.objs; if ~callerIsMethod mat.addHistory(getInfo('None'), [], {inputname(1), inputname(2)}, [mat1.hist mat2.hist]); end case 'ND' % init output estr = sprintf('nobjs(%s,%s) = %s;',num2str(rw1),num2str(cl2),class(mat1.objs(1))); eval(estr) mat = matrix(nobjs,plist('shape',[rw1,cl2])); % do row by colum product for kk = 1:rw1 for jj = 1:cl2 % fix the first element of the sum tobj = mat1.objs(kk,1).*mat2.objs(1,jj); for zz = 2:cl1 tobj = tobj + mat1.objs(kk,zz).*mat2.objs(zz,jj); end % simplify y units tobj_yu = tobj.yunits; tobj_yu.simplify; tobj.setYunits(tobj_yu); if isa(tobj, 'data2D') % simplify x units if ~isempty(tobj.xunits) tobj_xu = tobj.xunits; tobj_xu.simplify; tobj.setXunits(tobj_xu); end end mat.objs(kk,jj) = tobj; end end if ~callerIsMethod mat(:).addHistory(getInfo('None'), [], {inputname(1), inputname(2)}, [mat1(:).hist mat2(:).hist]); end end varargout{1} = mat; end %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Local Functions % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % FUNCTION: getInfo % % DESCRIPTION: Get Info Object % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function ii = getInfo(varargin) if nargin == 1 && strcmpi(varargin{1}, 'None') sets = {}; pls = []; else sets = {'Default'}; pls = getDefaultPlist; end % Build info object ii = minfo(mfilename, 'matrix', 'ltpda', utils.const.categories.aop, '$Id: mtimes.m,v 1.7 2011/10/13 12:43:49 hewitson Exp $', sets, pls); ii.setArgsmin(2); ii.setModifier(false); end %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % FUNCTION: getDefaultPlist % % DESCRIPTION: Get Default Plist % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function plout = getDefaultPlist() persistent pl; if exist('pl', 'var')==0 || isempty(pl) pl = buildplist(); end plout = pl; end function pl = buildplist() pl = plist.EMPTY_PLIST; end