Functions are ubiquitous in mathematics and are essential for formulating physical relationships in the sciences.
Error function math.
In statistics a common example is the difference between the mean of an entire population and the mean of a sample drawn from that population.
Input specified as a symbolic number variable expression or function or as a vector or matrix of symbolic numbers variables expressions or functions.
Error in applied mathematics the difference between a true value and an estimate or approximation of that value.
Erf satisfies the identities.
Erf is implemented in the wolfram language as erf z a two argument form giving is also implemented as erf z0 z1.
341 define without the leading factor of.
Note that some authors e g whittaker and watson 1990 p.
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