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sign | See Also |
Y = sign(X)
Y = sign(X)
returns an array Y
the same size as X
, where each element of Y
is:
1
if the corresponding element of X
is greater than zero
0
if the corresponding element of X
equals zero
-1
if the corresponding element of X
is less than zero
X
, sign(X)
=
X./abs(X)
.
abs
Absolute value and complex magnitude
conj
Complex conjugate
imag
Imaginary part of a complex number
real
Real part of complex number