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

sign

função de sinal

Seqüência de Chamamento

X = sign(A)

Parâmetros

?

real or complex matrix. A may be sparse.

X

real or complex matrix

Descrição

X = sign(A) retorna a matriz feita dos sinais de A(i,j). Para A, feita de complexos sign(A) = A./abs(A).

Exemplos

sign(rand(2,3))
sign(1+%i)
sign(sprand(8,3,0.3,"normal"))

Ver Também

  • abs — valor absoluto, magnitude

Histórico

VersãoDescrição
6.0 Extension to sparse matrices
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<< prod Matrix operations signm >>

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Last updated:
Tue Feb 14 15:09:42 CET 2017