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annotate m-toolbox/classes/@cdata/applymethod.m @ 12:86aabb42dd84 database-connection-manager

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Use utils.repository utilities
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % APPLYMETHOD applys the given method to the input cdata.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: APPLYMETHOD applys the given method to the input cdata.
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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 cdata object
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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 % 'dim' - the dimension of the chosen vector to apply the method
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18 % to. This is necessary for functions like mean() when
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19 % applied to matrices held in cdata objects. [default: 1]
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20 % 'option' - any additional option to pass to the method.
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21 %
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22 % VERSION: $Id: applymethod.m,v 1.12 2011/04/17 09:13:05 hewitson Exp $
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23 %
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24 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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25
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26 function pl = applymethod(ds, pl, method, getDefaultPlist, varargin)
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27
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28 % Get function handles
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29 dxFcn = {};
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30 for jj = 1:numel(varargin)
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31 if isa(varargin{jj}, 'function_handle')
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32 dxFcn = varargin{jj};
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33 end
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34 if iscell(varargin{jj})
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35 list = varargin{jj};
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36 if ~isempty(list) && isa(list{1}, 'function_handle')
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37 dxFcn = list{1};
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38 end
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39 end
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40 end
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41
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42 pl = applyDefaults(getDefaultPlist('1D'), pl);
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43
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44 % Get the axis we are dealing with
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45 axis = find(pl, 'axis');
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46 % Get the dimension to operate along
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47 dim = find(pl, 'dim');
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48 % Get any additional option
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49 opt = find(pl, 'option');
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50
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51 % Loop over data objects
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52 for jj=1:numel(ds)
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53 switch lower(axis)
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54 case 'y'
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55 if ~isempty(ds(jj).dy) && ~isempty(dxFcn)
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56 ds(jj).dy = feval(dxFcn, ds(jj).y, ds(jj).dy);
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57 else
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58 ds(jj).dy = [];
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59 end
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60 ds(jj).y = apply(ds(jj).y, method, dim, opt);
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61 otherwise
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62 error('### Unsupported axis ''%s'' to operate on.', axis);
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63 end
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64 end
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65
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66 end
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67
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68 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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69 % Local Functions %
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70 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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71
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72 %-----------------------------------------------
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73 % Apply method to the vector v
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74 %-----------------------------------------------
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75 function v = apply(v, method, dim, opt)
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76 if ~isempty(dim) && ~isempty(opt)
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77 % User supplied a dimension and an option
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78 v = feval(method, v, dim, opt);
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79 elseif ~isempty(dim)
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80 % User supplied only a dimension
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81 v = feval(method, v, dim);
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82 elseif ~isempty(opt)
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83 % User supplied only an option
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84 v = feval(method, v, opt);
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85 else
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86 % User supplied only a method
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87 v = feval(method, v);
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88 end
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89 end
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90