/usr/share/calc/help/cp is in apcalc-common 2.12.4.4-3.
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cp - cross product of two 3 element vectors
SYNOPSIS
cp(x, y)
TYPES
x, y 1-dimensional matrices with 3 elements
return 1-dimensional matrix with 3 elements
DESCRIPTION
Calculate the product of two 3 1-dimensional matrices.
If x has elements (x0, x1, x2), and y has elements (y0, y1, y2),
cp(x,y) returns the matrix of type [0:2] with elements:
{x1 * y2 - x2 * y1, x3 * y1 - x1 * y3, x1 * y2 - x2 * y1}
EXAMPLE
; mat x[3] = {2,3,4}
; mat y[3] = {3,4,5}
; print cp(x,y)
mat [3] (3 elements, 3 nonzero):
[0] = -1
[1] = 2
[2] = -1
LIMITS
The components of the matrices are to be of types for which the
required algebraic operations have been defined.
LINK LIBRARY
MATRIX *matcross(MATRIX *x, MATRIX *y)
SEE ALSO
dp
## Copyright (C) 1999 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc 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 Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
##
## @(#) $Revision: 30.1 $
## @(#) $Id: cp,v 30.1 2007/03/16 11:10:42 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/cp,v $
##
## Under source code control: 1995/10/05 04:52:26
## File existed as early as: 1995
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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