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inv

PURPOSE ^

INV overloads the inverse function for Analysis Objects.

SYNOPSIS ^

function bs = inv(varargin)

DESCRIPTION ^

 INV overloads the inverse function for Analysis Objects.
 
 A Monsky 08-05-07

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function bs = inv(varargin)
0002 
0003 % INV overloads the inverse function for Analysis Objects.
0004 %
0005 % A Monsky 08-05-07
0006 %
0007 
0008 % capture input variable names
0009 invars = {};
0010 for j=1:nargin
0011   invars = [invars cellstr(inputname(j))];
0012 end
0013 
0014 ALGONAME = mfilename;
0015 VERSION  = '$Id: inv.html,v 1.1 2007/06/08 14:15:02 hewitson Exp $';
0016 
0017 as = [];
0018 for j=1:nargin
0019   a = varargin{j};
0020   if isa(a, 'ao')
0021     as  = [as a];
0022   end
0023 end
0024 %create empty plist
0025 pl = plist();
0026 
0027 bs = [];
0028 % go through analysis objects
0029 for j=1:length(as)  
0030   a = as(j);
0031   d = get(a, 'data');
0032   dinfo = whos('d');
0033 
0034   % Which data type do we have
0035   dtype = dinfo.class;
0036   switch dtype
0037     case 'cdata'
0038       disp('* INVERSE of cdata object');
0039 
0040       % make a new cdata object
0041       [h, c] = single_operation(d, 'inv', pl);
0042       
0043       % make output analysis object
0044       h = set(h, 'invars', [a.hist]);
0045       b = ao(c, h);
0046       b = set(b, 'name',  sprintf('inv(%s)', char(invars{1})));
0047 
0048     case 'tsdata' & 'fsdata' &  'xydata'
0049      error('### this function works for cdata type AO only')
0050     otherwise
0051      error('### unknown data type.')
0052 
0053   end   
0054 
0055   % add to output
0056   bs = [bs b];
0057 end
0058 
0059 % END

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