qconj.m

JAVA 数学程序库 提供常规的数值计算程序包

## Copyright (C) 1998 Auburn University.  All rights reserved.
##
## This file is part of Octave.
##
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## the Free Software Foundation; either version 2, or (at your option)
## any later version.
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## General Public License for more details.
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## -*- texinfo -*-
## @deftypefn {Function File} {} qconj (@var{q})
## Conjugate of a quaternion.
##
## @example
## q = [w, x, y, z] = w*i + x*j + y*k + z
## qconj (q) = -w*i -x*j -y*k + z
## @end example
## @end deftypefn

## Author: A. S. Hodel <[e-mail]>
## Adapted-By: jwe

function retval = qconj (q)

  [a, b, c, d] = quaternion (q);

  retval = quaternion (-a, -b, -c, d);

endfunction