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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 % EIG overloads the eigenvalues/eigenvectors function for analysis objects.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: EIG overloads the eigenvalues/eigenvectors function for analysis objects.
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5 %
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6 % CALL: e = eig (a,pl) % only with data = cdata
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7 %
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8 % INPUTS: pl - a parameter list
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9 % a - input analysis object
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10 %
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11 % OUTPUTS: like matlab function
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12 %
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13 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'eig')">Parameters Description</a>
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14 %
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15 % REMARKS: See help for data2D/applymethod for additional parameters.
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16 %
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17 % VERSION: $Id: eig.m,v 1.46 2011/04/17 10:28:38 hewitson Exp $
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18 %
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19 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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20
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21 function varargout = eig(varargin)
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22
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23 % Check if the method was called by another method
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24 callerIsMethod = utils.helper.callerIsMethod;
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25
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26 % Settings
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27 operatorName = 'eig';
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28 dxFcn = [];
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29
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30 if callerIsMethod
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31 in_names = {};
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32 else
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33 % Collect input variable names
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34 in_names = cell(size(varargin));
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35 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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36
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37 % Check if this is a call for the minfo object
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38 if utils.helper.isinfocall(varargin{:})
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39 varargout{1} = getInfo(varargin{3});
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40 return
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41 end
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42
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43 end
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44
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45 % Here we are forced to collect objects so that we can check that each ao
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46 % is the correct type and shape for doing det.
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47 [as, dummy, rest] = utils.helper.collect_objects(varargin, 'ao', in_names);
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48
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49 % Check for the correct data objects: Throw an error for data2D objects.
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50 as.checkDataType('data2D');
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51
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52 % Check that the data of the AOs is a square matrix
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53 for ii=1:numel(as)
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54 if size(as(ii).data.y,1) ~= size(as(ii).data.y,2)
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55 error('### The y data must be a square matrix.')
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56 end
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57 end
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58
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59 copyObjects = nargout>0;
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60
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61 % Apply method to all AOs
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62 [out, pl] = ao.applymethod(copyObjects, callerIsMethod, in_names, operatorName, dxFcn, @getInfo, @getDefaultPlist, varargin{:});
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63
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64 % Clear errors
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65 out.clearErrors(pl);
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66
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67 % set outputs
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68 varargout = utils.helper.setoutputs(nargout, out);
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69
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70 end
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71
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72 %--------------------------------------------------------------------------
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73 % Get Info Object
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74 %--------------------------------------------------------------------------
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75 function ii = getInfo(varargin)
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76
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77 ii = minfo.getInfoAxis(mfilename, @getDefaultPlist, varargin);
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78 end
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79
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80 %--------------------------------------------------------------------------
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81 % Get Default Plist
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82 %--------------------------------------------------------------------------
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83
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84 function plout = getDefaultPlist(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 (e.g. ''nobalance'') that can<br>' ...
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89 'specified to disable balancing. See MATLAB''s <a href="matlab:doc(''eig'')">eig</a> for details.']}, ...
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90 {1, {'', 'nobalance'}, paramValue.OPTIONAL});
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91 plout.append(p);
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92 end
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93