is the confluent hypergeometric function .


  • Mathematical function, suitable for both symbolic and numerical manipulation.
  • The function has the integral representation .
  • HypergeometricU[a,b,z] has a branch cut discontinuity in the complex plane running from to .
  • For certain special arguments, HypergeometricU automatically evaluates to exact values.
  • HypergeometricU can be evaluated to arbitrary numerical precision.
  • HypergeometricU automatically threads over lists.
Introduced in 1988
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