Related terms:
z
pi
tt
mbox
sqrt
signum
frac
qquad
zero
infty
denoted
values
mathrm
overline
matrix
quadratic
numbers
sign function
real number
negative
function
scriptstyle
signum function
principal value
real numbers
operatorname
absolute value
complex number
mathematics
normal distribution
Wikipedia sources:
Sign function
Atan2
Hilbert transform
Absolute value
Quadratic equation
Error function
Laplace distribution
Negative and non-negative numbers
Context for words:
sgn
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