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math(3) Erlang Module Definition math(3)

math - Mathematical functions.

This module provides an interface to a number of mathematical functions.
Note:
Not all functions are provided on all platforms. In particular, the erf/1 and erfc/1 functions are not provided on Windows.

acos(X) -> float()
 
 
acosh(X) -> float()
 
 
asin(X) -> float()
 
 
asinh(X) -> float()
 
 
atan(X) -> float()
 
 
atan2(Y, X) -> float()
 
 
atanh(X) -> float()
 
 
cos(X) -> float()
 
 
cosh(X) -> float()
 
 
exp(X) -> float()
 
 
log(X) -> float()
 
 
log10(X) -> float()
 
 
log2(X) -> float()
 
 
pow(X, Y) -> float()
 
 
sin(X) -> float()
 
 
sinh(X) -> float()
 
 
sqrt(X) -> float()
 
 
tan(X) -> float()
 
 
tanh(X) -> float()
 
 
Types:
Y = X = number()
 
A collection of mathematical functions that return floats. Arguments are numbers.
erf(X) -> float()
 
 
Types:
X = number()
 
Returns the error function of X, where:
erf(X) = 2/sqrt(pi)*integral from 0 to X of exp(-t*t) dt.
erfc(X) -> float()
 
 
Types:
X = number()
 
erfc(X) returns 1.0 - erf(X), computed by methods that avoid cancellation for large X.
pi() -> float()
 
 
A useful number.

As these are the C library, the same limitations apply.
stdlib 3.3 Ericsson AB

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