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annotate m-toolbox/classes/@ssm/keepParameters.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % KEEPPARAMETERS enables to substitute symbollic patameters
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: KEEPPARAMETERS enables the substitution of symbolic parameters.
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5 % The parameters substituted are then removed from the params field.
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6 % The function can be applied on an array of objects.
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7 %
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8 % CALL: varargout = keepParameters(varargin)
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9 % obj = obj.keepParameters(plist)
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10 % obj = obj.keepParameter % substitutes all parameters
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11 % % i.e., keep none.
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12 %
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13 % <a href="matlab:utils.helper.displayMethodInfo('ssm', 'keepParameters')">Parameters Description</a>
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14 %
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15 % VERSION: $Id: keepParameters.m,v 1.16 2011/04/08 08:56:22 hewitson Exp $
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16 %
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17 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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18
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19 function varargout = keepParameters(varargin)
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20
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21 callerIsMethod = utils.helper.callerIsMethod;
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22
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23 %% starting initial checks
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24 % Check if this is a call for parameters
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25 if utils.helper.isinfocall(varargin{:})
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26 varargout{1} = getInfo(varargin{3});
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27 return
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28 end
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29
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30 utils.helper.msg(utils.const.msg.MNAME, ['running ', mfilename]);
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31
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32 % Collect input variable names
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33 in_names = cell(size(varargin));
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34 for ii = 1:nargin, in_names{ii} = inputname(ii); end
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35
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36 % Collect all SSMs and options
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37 [sys, ssm_invars, rest] = utils.helper.collect_objects(varargin(:), 'ssm', in_names);
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38 [pl, pl_invars, rest] = utils.helper.collect_objects(rest(:), 'plist');
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39 if ~isempty(rest)
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40 pl = combine(pl, plist(rest{:}));
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41 end
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42 pl = combine(pl, getDefaultPlist());
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43
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44 %% processing input
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45 keepnames = pl.find('names');
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46 if ischar(keepnames)
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47 keepnames = {keepnames};
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48 elseif ~iscellstr(keepnames)
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49 error('param names be a cellstr')
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50 end
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51
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52 %% Decide on a deep copy or a modify, depending on the output
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53 sys_out = copy(sys, nargout);
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54 Nsys = numel(sys);
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55
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56 for i_sys = 1:Nsys
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57 % generating 'subsnames' out of 'keepnames'
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58 paramnames = sys_out(i_sys).paramnames;
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59 subsnames = cell(1,0);
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60 for j=1:numel(paramnames)
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61 comparison = strcmp(paramnames{j}, keepnames);
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62 if sum(comparison)==0
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63 subsnames = [subsnames paramnames{j}]; %#ok<AGROW>
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64 end
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65 end
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66
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67 sys_out(i_sys).doSubsParameters(subsnames, callerIsMethod);
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68 sys_out(i_sys).addHistory(getInfo('None'), pl, {''}, sys_out(i_sys).hist );
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69 end
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70
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71 if nargout == numel(sys_out)
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72 for ii = 1:numel(sys_out)
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73 varargout{ii} = sys_out(ii);
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74 end
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75 else
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76 varargout{1} = sys_out;
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77 end
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78 end
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79
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80 %--------------------------------------------------------------------------
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81 % Get Info Object
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82 %--------------------------------------------------------------------------
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83 function ii = getInfo(varargin)
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84
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85 if nargin == 1 && strcmpi(varargin{1}, 'None')
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86 sets = {};
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87 pl = [];
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88 else
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89 sets = {'Default'};
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90 pl = getDefaultPlist;
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91 end
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92 % Build info object
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93 ii = minfo(mfilename, 'ssm', 'ltpda', utils.const.categories.op, '$Id: keepParameters.m,v 1.16 2011/04/08 08:56:22 hewitson Exp $', sets, pl);
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94 end
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95
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96 %--------------------------------------------------------------------------
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97 % Get Default Plist
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98 %--------------------------------------------------------------------------
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99 function pl = getDefaultPlist()
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100 pl = plist();
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101
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102 p = param({'names', 'A cell-array of parameter names to be kept symbolic.'}, {} );
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103 pl.append(p);
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104
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105 end
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106
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107