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Error function (English)

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Definition (undergraduate level)

The function

erf(z) =

√

⌠
⌡

z

0

e^{− s²} ds .

It arises in probability because it is related to the integral of the normal distribution function, and it occurs in the solution of some partial differential equations.

Show graph

Requires Java

Relations

broader:: (en) Function
references:: (en) Gaussian distribution; (en) Integral; (en) Partial differential equation
referenced:: (en) erf

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