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Справка Scilab >> Special Functions > erfinv

erfinv

inverse error function

Calling Sequence

y = erfinv(x)

Arguments

x

vector or matrix

y

vector or matrix (same size as x)

Description

The erfinv function computes the inverse of the erf error function. Thus, erf(erfinv(x)) = x for all x such that -1 ≤ x ≤ 1 .

Examples

x = linspace(-0.99, 0.99, 100);
y = erfinv(x);
plot2d(x, y)

See Also

  • cdfnor — cumulative distribution function normal distribution
  • erf — The error function.
  • erfc — The complementary error function.
  • erfcx — scaled complementary error function.

References

Milton Abramowitz and Irene A. Stegun, eds. Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables. New York: Dover, 1972.

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Last updated:
Thu Oct 02 14:01:07 CEST 2014