Difference between revisions of "Cross Command"

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;Cross[ <Vector u> , <Vector v> ]
 
;Cross[ <Vector u> , <Vector v> ]
 
:Calculates the cross product of ''u'' and ''v''.
 
:Calculates the cross product of ''u'' and ''v''.
:For vectors ''u=(a,b)'' and ''v=(c,d)'' returns ''ad-bc'' (i.e. the z-coordinate of vector product of ''(a,b,0), (c,d,0)'').
 
 
:{{example| 1=<div><code><nowiki>Cross[{1, 3, 2}, {0, 3, -2}]</nowiki></code> gives ''{-12, 2, 3}'', the cross product of ''{1, 2, 3}'' and ''{0, 3, -2}''.</div>}}
 
:{{example| 1=<div><code><nowiki>Cross[{1, 3, 2}, {0, 3, -2}]</nowiki></code> gives ''{-12, 2, 3}'', the cross product of ''{1, 2, 3}'' and ''{0, 3, -2}''.</div>}}
 
{{note| 1=<div>
 
{{note| 1=<div>

Revision as of 14:11, 5 August 2011


This command works in CAS View only.

Cross[ <Vector u> , <Vector v> ]
Calculates the cross product of u and v.
Example:
Cross[{1, 3, 2}, {0, 3, -2}] gives {-12, 2, 3}, the cross product of {1, 2, 3} and {0, 3, -2}.
Note:
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