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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 % SVD overloads the svd (singular value decomposition) function for analysis objects.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: SVD overloads the singular value decomposition for analysis objects.
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5 %
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6 % CALL: u = svd(ao_in, pl)
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7 %
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8 % INPUTS: ao_in - input analysis object
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9 % pl - a parameter list
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10 %
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11 % OUTPUTS: See MATLAB's svd
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12 %
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13 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'svd')">Parameters Description</a>
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14 %
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15 % VERSION: $Id: svd.m,v 1.39 2011/04/19 18:48:11 ingo Exp $
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16 %
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17 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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18
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19 function varargout = svd(varargin)
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20
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21 % Check if the method was called by another method
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22 callerIsMethod = utils.helper.callerIsMethod;
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23
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24 % Settings
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25 operatorName = 'svd';
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26 dxFcn = [];
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27
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28 if callerIsMethod
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29 in_names = {};
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30 else
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31 % Collect input variable names
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32 in_names = cell(size(varargin));
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33 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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34
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35 % Check if this is a call for the minfo object
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36 if utils.helper.isinfocall(varargin{:})
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37 varargout{1} = getInfo(varargin{3});
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38 return
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39 end
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40
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41 end
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42
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43 % Here we are forced to collect objects so that we can check that each ao
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44 % is the correct type and shape for doing det.
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45 [as, dummy, rest] = utils.helper.collect_objects(varargin, 'ao', in_names);
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46
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47 % Check for the correct data objects: Throw an error for data2D objects.
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48 as.checkDataType('data2D');
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49
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50 copyObjects = nargout>0;
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51
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52 % Apply method to all AOs
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53 [out, pl] = ao.applymethod(copyObjects, callerIsMethod, in_names, operatorName, dxFcn, @getInfo, @getDefaultPlist, varargin{:});
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54
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55 % Clear errors
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56 out.clearErrors(pl);
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57
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58 % set outputs
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59 varargout = utils.helper.setoutputs(nargout, out);
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60
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61 end
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62
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63 %--------------------------------------------------------------------------
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64 % Get Info Object
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65 %--------------------------------------------------------------------------
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66 function ii = getInfo(varargin)
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67 ii = minfo.getInfoAxis(mfilename, @getDefaultPlist, varargin);
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68 end
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69
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70 %--------------------------------------------------------------------------
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71 % Get Default Plist
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72 %--------------------------------------------------------------------------
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73
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74 function plout = getDefaultPlist(set)
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75 persistent pl;
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76 persistent lastset;
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77 if ~exist('pl', 'var') || isempty(pl) || ~strcmp(lastset, set)
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78 pl = buildplist(set);
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79 lastset = set;
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80 end
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81 plout = pl;
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82 end
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83
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84 function plout = buildplist(varargin)
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85 plout = plist.getDefaultAxisPlist(varargin{:});
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86
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87 plout.remove('option');
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88 p = param({'option', ['A string or value that can be submitted, e.g. ''econ'''...
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89 'to produce economy size decomposition.<br>'...
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90 'Options are the same as for the matlab function.']}, paramValue.EMPTY_STRING);
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91 plout.append(p);
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92 end
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93