From octave-sources-request at bevo dot che dot wisc dot edu Mon Jan 27 14:20:23 2003
Subject: lbf2N.m
From: Stefan Burger <s dot burger at debitel dot net>
To: octave-sources at bevo dot che dot wisc dot edu
Date: Mon, 27 Jan 2003 07:44:23 -0600


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## Copyright (C) 2003 Stefan Burger
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by the
## Free Software Foundation; either version 2, or (at your option) any
## later version.
##
## Octave is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING.  If not, write to the Free
## Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.

## -*- texinfo -*-
##  at deftypefn {Function File} {} lbf2N(@var{val})
## Converts an value  at var{val} in pound-force (lbf) to Newton (N).
##  at end deftypefn

## Author: Stefan Burger <Stefan dot Burger at stud dot tu-muenchen dot de>
## Description: convert lbf to Newton

function v = lbf2N (val)

  if (nargin < 1)
    val = 1;
  endif

  v = val * 4.5359237E-1 * 9.80665;
    %% multiply value with 0.45 kg/lb, 
    %% and multiply with standard value for earth gravity, 9.81 N/kg, which
    %% is defined as 'exact' value for conversions, see NIST - www.nist.gov
    %% - of course, 'true' acceleration rates vary across the globe.

endfunction

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