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Scilab Help >> Elementary Functions > sign

sign

signum function

Calling Sequence

X=sign(A)

Arguments

А

real or complex matrix

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)

See Also

  • abs — absolute value, magnitude
  • csgn — returns the sign of a vector of real of complex values
  • signm — matrix signum function
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Last updated:
Wed Apr 01 10:13:53 CEST 2015