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annotate m-toolbox/classes/@matrix/fft.m @ 40:977eb37f31cb database-connection-manager

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User friendlier errors from utils.mysql.connect
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:03 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % FFT implements the fft operator for matrix objects.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: FFT implements the fft operator for matrix objects.
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5 %
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6 % CALL: out = fft(in,pl);
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7 %
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8 % INPUTS: in - input matrix objects
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9 % pl - parameter list
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10 %
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11 % OUTPUTS: out - output matrix objects
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12 %
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13 % <a href="matlab:utils.helper.displayMethodInfo('matrix', 'fft')">Parameters Description</a>
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14 %
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15 % VERSION: $Id: fft.m,v 1.6 2011/04/08 08:56:31 hewitson Exp $
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16 %
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17 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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18
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19 function varargout = fft(varargin)
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20
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21 % Check if this is a call for parameters
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22 if utils.helper.isinfocall(varargin{:})
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23 varargout{1} = getInfo(varargin{3});
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24 return
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25 end
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26
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27 if nargout == 0
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28 error('### Matrix fft operator can not be used as a modifier.');
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29 end
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30
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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
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34 in_names{ii} = inputname(ii);
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35 end
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36
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37 % Collect all smodels and plists
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38 [ms, matrix_invars, rest] = utils.helper.collect_objects(varargin(:), 'matrix', in_names);
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39 [pl, pl_invars, rest] = utils.helper.collect_objects(varargin(:), 'plist', in_names);
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40
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41 % Merge with default plist
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42 pl = parse(pl, getDefaultPlist);
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43
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44 % deep copy
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45 mat = copy(ms,1);
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46
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47 n = numel(mat);
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48
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49 % loop over number of matrices
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50 for ii = 1:n
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51 % get size of object
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52 [rw,cl] = size(mat(ii).objs);
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53
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54 % loop over raws and columns
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55 for kk = 1:rw
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56 for jj = 1:cl
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57 mat(ii).objs(kk,jj) = fft(mat(ii).objs(kk,jj),pl);
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58 end
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59 end
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60 mat(ii).addHistory(getInfo('None'), [], {inputname(1)}, [mat(ii).hist]);
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61 end
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62
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63 varargout{1} = mat;
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64
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65 end
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66
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67
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68
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69 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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70 % Local Functions %
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71 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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72
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73 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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74 %
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75 % FUNCTION: getInfo
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76 %
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77 % DESCRIPTION: Get Info Object
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78 %
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79 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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80
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81 function ii = getInfo(varargin)
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82
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83 if nargin == 1 && strcmpi(varargin{1}, 'None')
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84 sets = {};
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85 pls = [];
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86 else
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87 sets = {'Default'};
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88 pls = getDefaultPlist;
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89 end
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90 % Build info object
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91 ii = minfo(mfilename, 'matrix', 'ltpda', utils.const.categories.aop, '$Id: fft.m,v 1.6 2011/04/08 08:56:31 hewitson Exp $', sets, pls);
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92 ii.setArgsmin(2);
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93 ii.setModifier(false);
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94 end
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95
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96 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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97 %
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98 % FUNCTION: getDefaultPlist
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99 %
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100 % DESCRIPTION: Get Default Plist
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101 %
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102 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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103
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104 function plout = getDefaultPlist()
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105 persistent pl;
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106 if exist('pl', 'var')==0 || isempty(pl)
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107 pl = buildplist();
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108 end
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109 plout = pl;
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110 end
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111
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112 function pl = buildplist()
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113 pl = plist({'type', 'The fft type. Plain (complete non-symmetric), One-sided (from zero to Nyquist) or two-sided (complete symmetric).'},...
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114 {2, {'plain', 'one', 'two'}, paramValue.SINGLE});
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115 end