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variants of this functions
Hypergeometric1F1




Mathematica Notation

Traditional Notation









Hypergeometric Functions > Hypergeometric1F1[a,b,z] > Differentiation > Low-order differentiation > With respect to a





http://functions.wolfram.com/07.20.20.0001.01









  


  








Input Form





Derivative[1, 0, 0][Hypergeometric1F1][a, b, z] == Sum[((Pochhammer[a, k] PolyGamma[a + k])/(k! Pochhammer[b, k])) z^k, {k, 0, Infinity}] - PolyGamma[a] Hypergeometric1F1[a, b, z]








Standard Form





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MathML Form







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Rule Form





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Date Added to functions.wolfram.com (modification date)





2001-10-29