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det

PURPOSE ^

DET overloads the determinant function for Analysis objects.

SYNOPSIS ^

function bs = det(varargin)

DESCRIPTION ^

 DET overloads the determinant 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 = det(varargin)
0002 
0003 % DET overloads the determinant 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: det.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 
0025 %create empty plist
0026 pl = plist();
0027 
0028 bs = [];
0029 
0030 % go through analysis objects
0031 for j=1:length(as)  
0032   a = as(j);
0033 
0034 
0035   d = get(a, 'data');
0036   dinfo = whos('d');
0037   % Which data type do we have
0038   dtype = dinfo.class;
0039   
0040   switch dtype
0041     case 'cdata'
0042      disp('* DETERMINANT of cdata object');
0043      % make a new cdata object
0044      [h, c] = single_operation(d, 'det', pl);
0045      
0046      % make output analysis object
0047      h = set(h, 'invars', [a.hist]);
0048      b = ao(c, h);     
0049      b = set(b, 'name',  sprintf('det(%s)', char(invars{1})));
0050     case 'tsdata' & 'fsdata' &  'xydata'
0051      error('### this function works for cdata type AO only')
0052     otherwise
0053      error('### unknown data type.')
0054    end
0055 
0056    % add to output
0057    bs = [bs b];
0058 end
0059 
0060 
0061 
0062 
0063 % END

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