24 Jun 2013
A number of functions for brewers.
function ABW=alcohol_by_weight_fix(OSG,FSG )
% ABW=alcohol_by_weight_fix(OSG,FSG )
% Alcohol by weight according to George Fix.
% OSG = original specific gravity
% FSG = final specific gravity
%Copyright (c) 2013, Travis Wiens, based on beerlib.c (c) 2003 by Domenick Venezia
%All rights reserved.
% If you would like to request that this software be licensed under a less
% restrictive license (i.e. for commercial closed-source use) please
% contact Travis at firstname.lastname@example.org
OE = SG_to_Plato( OSG );
AE = SG_to_Plato( FSG );
RE = (0.1808 * OE) + (0.8192 * AE);
ABW = (OE - RE) / (2.0665 - (0.010665 * OE));