view m-toolbox/classes/@data2D/plus.m @ 13:e05504b18072
database-connection-manager
Move more functions to utils.repository
author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Mon, 05 Dec 2011 16:20:06 +0100 (2011-12-05)
parents
f0afece42f48
children
line source
+ − % PLUS implements addition operator for data2D objects.
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % DESCRIPTION: PLUS implements addition operator for two data2D objects.
+ − %
+ − % CALL:
+ − % a = d1+d2
+ − % a = plus(d1,d2);
+ − %
+ − %
+ − % <a href="matlab:utils.helper.displayMethodInfo('data2D', 'plus')">Parameters Description</a>
+ − %
+ − % VERSION: $Id: plus.m,v 1.2 2011/04/08 08:56:36 hewitson Exp $
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function varargout = plus(varargin)
+ −
+ − % get two data objects
+ − d1 = copy(varargin{1}, nargout);
+ − d2 = copy(varargin{2}, nargout);
+ −
+ − % check units
+ − d1.yunits.simplify();
+ − d2.yunits.simplify();
+ − d1.xunits.simplify();
+ − d2.xunits.simplify();
+ −
+ − if ~isempty(d1.yunits.strs) && ~isempty(d2.yunits.strs) && d1.yunits ~= d2.yunits
+ − error('### When adding two data objects, the yunits must be the same');
+ − end
+ − if ~isempty(d1.xunits.strs) && ~isempty(d2.xunits.strs) && d1.xunits ~= d2.xunits
+ − error('### When adding two data objects, the xunits must be the same');
+ − end
+ −
+ − % add the data
+ − dout = applyoperator(d1,d2,'plus');
+ −
+ − % handle units: since both are the same, we take the first non-empty unit
+ − if isempty(d1.yunits.strs)
+ − dout.yunits = d2.yunits;
+ − else
+ − dout.yunits = d1.yunits;
+ − end
+ − if isempty(d1.xunits.strs)
+ − dout.xunits = d2.xunits;
+ − else
+ − dout.xunits = d1.xunits;
+ − end
+ −
+ − % handle errors
+ − err = @(err1, err2, val1, val2) sqrt(err1 .^2 + err2.^2);
+ − if ~isempty(d1.dy) || ~isempty(d2.dy)
+ − if isempty(d1.dy)
+ − d1.dy = zeros(size(d2.dy));
+ − end
+ − if isempty(d2.dy)
+ − d2.dy = zeros(size(d1.dy));
+ − end
+ − dout.dy = err(d1.dy, d2.dy, d1.y, d2.y);
+ − else
+ − dout.dy = [];
+ − end
+ − if ~isempty(d1.dx) || ~isempty(d2.dx)
+ − if isempty(d1.dx)
+ − d1.dx = zeros(size(d2.dx));
+ − end
+ − if isempty(d2.dx)
+ − d2.dx = zeros(size(d1.dx));
+ − end
+ − dout.dx = err(d1.dx, d2.dx, d1.x, d2.x);
+ − else
+ − dout.dx = [];
+ − end
+ −
+ −
+ − % Single output
+ − varargout{1} = dout;
+ −
+ − end
+ −