Digital Library of Mathematical Functions
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7 Error Functions, Dawson’s and Fresnel IntegralsProperties

§7.16 Generalized Error Functions

Generalizations of the error function and Dawson’s integral are \int_{0}^{x}e^{{-t^{p}}}dt and \int_{0}^{x}e^{{t^{p}}}dt. These functions can be expressed in terms of the incomplete gamma function \mathop{\gamma\/}\nolimits\!\left(a,z\right)8.2(i)) by change of integration variable.