Mercurial > hg > ltpda
view m-toolbox/classes/@matrix/filter.m @ 50:7d2e2e065cf1 database-connection-manager
Update unit tests
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Wed, 07 Dec 2011 17:24:37 +0100 |
parents | f0afece42f48 |
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% FILTER implements N-dim filter operator for matrix objects. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % DESCRIPTION: FILTER implements N-dim filter operator for matrix objects. % % CALL: output = filter(input,filt); % % <a href="matlab:utils.helper.displayMethodInfo('matrix', 'filter')">Parameters Description</a> % % VERSION: $Id: filter.m,v 1.10 2011/04/08 08:56:31 hewitson Exp $ % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% function varargout = filter(varargin) % 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 filter 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{2}; % matrix filter mat2 = varargin{1}; % input matrix of data % check we do have the right objects if (any(~isa(mat1.objs,'ltpda_filter')) || any(~isa(mat1.objs,'filterbank'))) && any(~isa(mat2.objs,'ao')) error('### Second matrix objects must be ltpda_filter and first matrix objects must be ao'); 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' % init output mat = copy(mat2,1); mat.objs = filter(mat2.objs, mat1.objs); mat.addHistory(getInfo('None'), [], {inputname(1), inputname(2)}, [mat1.hist mat2.hist]); case 'ND' % init output estr = sprintf('nobjs(%s,%s) = %s;',num2str(rw1),num2str(cl2),class(mat2.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 try % try to do filter tobj = filter(mat2.objs(1,jj),mat1.objs(kk,1)); catch ME % if input ao is empty filter output an error and tobj is set to zero tobj = []; end for zz = 2:cl1 try % try to do filter if isempty(tobj) tobj = filter(mat2.objs(zz,jj),mat1.objs(kk,zz)); else tobj = tobj + filter(mat2.objs(zz,jj),mat1.objs(kk,zz)); end catch ME % if input ao is empty filter output an error and tobj is added to zero % tobj = tobj + 0; end end % simplify y units tobj_yu = tobj.yunits; tobj_yu.simplify; tobj.setYunits(tobj_yu); % simplify x units if ~isempty(tobj.xunits) tobj_xu = tobj.xunits; tobj_xu.simplify; tobj.setXunits(tobj_xu); end mat.objs(kk,jj) = tobj; end end mat(:).addHistory(getInfo('None'), [], {inputname(1), inputname(2)}, [mat1(:).hist mat2(:).hist]); 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: filter.m,v 1.10 2011/04/08 08:56:31 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