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Syntax

y = erfinv(x)

Description

Computes the inverse of the error function associated with a normal distribution. y = erfinv(x) is equivalent to x = erf(y).

Examples

Inputs

Name	Description
x	Specifies error function values. x is a real matrix with elements in the interval [-1, 1].

Outputs

Name	Description
y	Returns the value of the inverse error function of x.

Examples

% Compute the inverse error function at 0.386:
Y = erfinv(0.386)
% Show the form of the inverse error function:
X = 0:0.01:0.9;
Y = erfinv(X);
plot(X, Y)

Related Topics

erf
erfc