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Ajuda do Scilab >> Funções Elementares > Matrix operations > cross

cross

vector cross product

Calling sequence

C = cross(A,B)

Arguments

A

real, complex, polynomial or boolean matrix of size 3-by-N or 1-by-3.

B

real, complex, polynomial or boolean matrix of same size as A.

C

real, complex, polynomial or boolean matrix of same size as A and B.

Description

cross returns the cross product of A and B, that is:

A and B can be full or sparse matrix. However, rational matrix are not supported. Concerning boolean matrix, cross computes as if %t (resp. %f) was 1 (resp. 0), and '&' (resp. '|') was '*' (resp. '+').

To finish, if A and B are 3-by-N matrix, column-wise computations are done.

Example

A=[1;2;3];
B=[2;3;4];
cross(A,B) //expected: [-1;2;-1]
A=[%i,2,1+%i];
B=[1,%i,2+%i];
cross(A,B) //expected: [5+%i,2-%i,-3]
A=[%t;%f;%t];
B=[%t;%f;%f];
cross(A,B) //expected: [0;1;0]

History

VersãoDescrição
5.5.0 Function cross introduced.
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Last updated:
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