SOURCE: vector cross product

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1 total messages Started by PMORTENS Sat, 23 Jan 1993 18:07

#25

Author: PMORTENS
Date: Sat, 23 Jan 1993 18:07

28 lines
2144 bytes

.gf cross1 m
Maybe this is trivial but here it is: a function returning the cross
product of two vectors.


function c=CROSS(a,b);
%****************************************************************************
%* FORMAT  : c=CROSS(a,b);                                                  *
%* This function returns the crossproduct of a and b. The returned vector   *
%* is a column vector                                                       *
%****************************************************************************

%****************************************************************************
%*         European Space Research and Technology Centre (ESTEC)            *
%*        Earth Observation Preparatory Programme Division (EOPP)           *
%*                         Solid Earth Section (OPS)                        *
%*                          Peter Mortensen                                 *
%*                                                                          *
%*    Programme for optimal signal estimation, ARISTOTELES.                 *
%*    File: CROSS.M   VRS: 1.0                                              *
%*                                                                          *
%* CREATED : PM 24.04.1992                                                  *
%* UPDATED :                                                                *
%*                                                                          *
%* This function returns the crossproduct of its 2 argument vectors         *
%* M-files in use: None                                                     *
%****************************************************************************
c=[ a(2)*b(3)-b(2)*a(3) ; -a(1)*b(3)+b(1)*a(3) ; a(1)*b(2)-b(1)*a(2) ];

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