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Mathematics
Fields of mathematics
Algebra
Elementary algebra
Unary operations
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The
sign function
, often denoted
as
\( \text{sgn}(
x) \)
, is
a
mathematical function that extracts the
sign
of
a
given
real number
\(
x \)
.
Ancestors
(6)
Unary operations
Elementary algebra
Algebra
Fields of mathematics
Mathematics
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