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Please note that the recommended version of Scilab is 6.0.2. This page might be outdated.
See the recommended documentation of this function

Scilab Help >> Elementary Functions > Matrix operations > sign

sign

signum function

Syntax

X = sign(A)

Arguments

А

real or complex matrix. A may be sparse.

X

real or complex matrix

Description

X = sign(A) returns the matrix made of the signs of A(i,j). For complex A, sign(A) = A./abs(A).

Examples

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

See also

  • abs — absolute value, magnitude
  • csgn — returns the sign of a vector of real of complex values
  • signm — matrix signum function

History

VersionDescription
6.0 Extension to sparse matrices
Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Mon Feb 12 19:26:47 CET 2018