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Error and Exponential Integral Functions
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InverseErf
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BUILT-IN MATHEMATICA SYMBOL
Special Functions
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Erf
InverseErfc
InverseGammaRegularized
InverseBetaRegularized
NormalDistribution
See Also »
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Error and Exponential Integral Functions
Functions Used in Statistics
Inverse Functions
Special Functions
More About »
InverseErf
InverseErf
[
s
]
gives the inverse error function obtained as the solution for
z
in
.
MORE INFORMATION
Mathematical function, suitable for both symbolic and numerical manipulation.
Explicit numerical values are given only for real values of
s
between
and
.
InverseErf
gives the inverse of the generalized error function
Erf
.
For certain special arguments,
InverseErf
automatically evaluates to exact values.
InverseErf
can be evaluated to arbitrary numerical precision.
InverseErf
automatically threads over lists.
EXAMPLES
CLOSE ALL
Basic Examples
(2)
Evaluate numerically:
Evaluate numerically:
In[1]:=
Out[1]=
In[1]:=
Out[1]=
Scope
(4)
Exact results for special arguments:
Evaluate to high precision:
The precision of the output tracks the precision of the input:
Series expansion:
TraditionalForm
formatting:
Generalizations & Extensions
(3)
InverseErf
threads element-wise over lists and arrays:
Evaluate numerically:
Series expansion:
Applications
(3)
Generate Gaussian-distributed random numbers:
The number of standard deviations for a 99% confidence interval in the Gaussian distribution:
Plot
InverseErf
:
Properties & Relations
(6)
Solve a transcendental equation:
Numerically find a root of a transcendental equation:
Obtain
InverseErf
as the solution of a differential equation:
Compose with the inverse function:
InverseErf
is a numeric function:
In
TraditionalForm
,
is automatically interpreted as an inverse error function:
Possible Issues
(1)
InverseErf
evaluates numerically only for
:
Neat Examples
(1)
Riemann surface of
InverseErf
:
SEE ALSO
Erf
InverseErfc
InverseGammaRegularized
InverseBetaRegularized
NormalDistribution
TUTORIALS
Special Functions
MORE ABOUT
Error and Exponential Integral Functions
Functions Used in Statistics
Inverse Functions
Special Functions
RELATED LINKS
MathWorld
The Wolfram Functions Site
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