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annotate m-toolbox/classes/@data2D/applymethod.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
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % APPLYMETHOD applys the given method to the input 2D data.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: APPLYMETHOD applys the given method to the input 2D data.
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5 %
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6 % CALL: pl = applymethod(d, pl)
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7 % pl = applymethod(d, pl, fcns)
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8 %
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9 % INPUTS: d - a 2D data object (tsdata, fsdata, xydata)
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10 % pl - a plist of configuration options
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11 % fcns - function handle(s) for the evaluation of the uncertainty
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12 % (alone or in a cell array)
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13 %
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14 % PARAMETERS:
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15 %
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16 % 'method' - the method to apply to the data
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17 % 'axis' - which axis vector to apply the method to. Possible values
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18 % are: 'X', 'Y', 'XY' [default: 'Y']
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19 % 'dim' - the dimension of the chosen vector to apply the method
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20 % to. This is necessary for functions like mean() when
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21 % applied to matrices held in cdata objects. For tsdata,
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22 % fsdata or xydata, this option has no effect.
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23 % [default: 1]
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24 % 'option' - any additional option to pass to the method.
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25 %
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26 % VERSION: $Id: applymethod.m,v 1.15 2011/04/17 09:13:18 hewitson Exp $
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27 %
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28 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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29
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30 function pl = applymethod(ds, pl, method, getDefaultPlist, varargin)
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31
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32 % Get function handles
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33 dxFcn = {};
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34 for jj = 1:numel(varargin)
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35 if isa(varargin{jj}, 'function_handle')
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36 dxFcn = varargin{jj};
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37 end
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38 if iscell(varargin{jj})
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39 list = varargin{jj};
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40 if ~isempty(list) && isa(list{1}, 'function_handle')
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41 dxFcn = list{1};
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42 end
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43 end
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44 end
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45
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46 pl = applyDefaults(getDefaultPlist('2D'), pl);
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47
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48 % Get the axis we are dealing with
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49 axis = find(pl, 'axis');
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50 % Get the dimension to operate along
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51 dim = find(pl, 'dim');
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52 % Get any additional option
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53 opt = find(pl, 'option');
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54
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55 % Loop over data objects
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56 for jj=1:numel(ds)
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57 switch lower(axis)
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58 case 'x'
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59 if ~isempty(ds(jj).dx) && ~isempty(dxFcn)
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60 ds(jj).dx = feval(dxFcn, ds(jj).getX, ds(jj).dx);
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61 else
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62 ds(jj).dx = [];
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63 end
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64 ds(jj).x = apply(ds(jj).getX, method, dim, opt);
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65 case 'y'
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66 if ~isempty(ds(jj).dy) && ~isempty(dxFcn)
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67 ds(jj).dy = feval(dxFcn, ds(jj).y, ds(jj).dy);
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68 else
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69 ds(jj).dy = [];
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70 end
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71 ds(jj).y = apply(ds(jj).y, method, dim, opt);
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72 case 'xy'
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73 if ~isempty(ds(jj).dx) && ~isempty(dxFcn)
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74 ds(jj).dx = feval(dxFcn, ds(jj).getX, ds(jj).dx);
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75 else
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76 ds(jj).dx = [];
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77 end
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78 if ~isempty(ds(jj).dy) && ~isempty(dxFcn)
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79 ds(jj).dy = feval(dxFcn, ds(jj).y, ds(jj).dy);
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80 else
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81 ds(jj).dy = [];
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82 end
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83 ds(jj).x = apply(ds(jj).getX, method, dim, opt);
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84 ds(jj).y = apply(ds(jj).y, method, dim, opt);
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85 otherwise
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86 error('### Unsupported axis ''%s'' to operate on.', axis);
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87 end
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88 end
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89
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90 end
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91
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92 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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93 % Local Functions %
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94 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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95
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96 %-----------------------------------------------
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97 % Apply method to the vector v
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98 %-----------------------------------------------
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99 function v = apply(v, method, dim, opt)
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100 if ~isempty(dim) && ~isempty(opt)
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101 % User supplied a dimension and an option
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102 v = feval(method, v, dim, opt);
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103 elseif ~isempty(dim)
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104 % User supplied only a dimension
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105 v = feval(method, v, dim);
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106 elseif ~isempty(opt)
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107 % User supplied only an option
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108 v = feval(method, v, opt);
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109 else
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110 % User supplied only a method
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111 v = feval(method, v);
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112 end
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113 end
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114