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annotate m-toolbox/classes/@ao/log.m @ 0:f0afece42f48

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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 % LOG overloads the log operator for analysis objects. Natural logarithm.
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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4 % DESCRIPTION: LOG overloads the log operator for analysis objects.
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5 % Natural logarithm.
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6 % LOG(ao) is the natural logarithm of the elements of ao.data.
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7 %
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8 % CALL: ao_out = log(ao_in);
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9 % ao_out = log(ao_in, pl);
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10 % ao_out = log(ao1, pl1, ao_vector, ao_matrix, pl2);
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11 %
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12 % PARAMETERS: see help for data2D/applymethod for additional parameters
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13 %
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14 % <a href="matlab:utils.helper.displayMethodInfo('ao', 'log')">Parameters Description</a>
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15 %
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16 % VERSION: $Id: log.m,v 1.42 2011/04/19 18:48:11 ingo Exp $
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17 %
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18 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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19
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20 function varargout = log(varargin)
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21
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22 % Check if the method was called by another method
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23 callerIsMethod = utils.helper.callerIsMethod;
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24
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25 % Settings
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26 operatorName = 'log';
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27 dxFcn = @(x,dx)abs(1./x).*dx;
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28
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29 if callerIsMethod
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30 in_names = {};
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31 else
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32 % Collect input variable names
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33 in_names = cell(size(varargin));
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34 for ii = 1:nargin,in_names{ii} = inputname(ii);end
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35 end
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36
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37 copyObjects = nargout>0;
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38 [bs, pl] = ao.applymethod(copyObjects, callerIsMethod, in_names, operatorName, dxFcn, @getInfo, @getDefaultPlist, varargin{:});
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39
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40 if isa(bs, 'ao')
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41 % Set units
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42 setUnitsForAxis(bs, pl, '');
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43 end
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44
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45 % set outputs
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46 varargout = utils.helper.setoutputs(nargout, bs);
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47
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48 end
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49
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50 %--------------------------------------------------------------------------
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51 % Get Info Object
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52 %--------------------------------------------------------------------------
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53 function ii = getInfo(varargin)
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54 ii = minfo.getInfoAxis(mfilename, @getDefaultPlist, varargin);
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55 end
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56
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57 %--------------------------------------------------------------------------
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58 % Get Default Plist
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59 %--------------------------------------------------------------------------
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60
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61 function plout = getDefaultPlist(set)
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62 persistent pl;
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63 persistent lastset;
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64 if ~exist('pl', 'var') || isempty(pl) || ~strcmp(lastset, set)
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65 pl = buildplist(set);
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66 lastset = set;
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67 end
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68 plout = pl;
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69 end
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70
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71 function plout = buildplist(varargin)
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72 plout = plist.getDefaultAxisPlist(varargin{:});
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73 end
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