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BUILT-IN MATHEMATICA SYMBOL
AppellF1
AppellF1[a, b1, b2, c, x, y]
is the Appell hypergeometric function of two variables 
.
Details
- Mathematical function, suitable for both symbolic and numerical manipulation.
has series expansion 
. 
reduces to 
when 
or 
. - For certain special arguments, AppellF1 automatically evaluates to exact values.
- AppellF1 can be evaluated to arbitrary numerical precision.
- AppellF1[a, b1, b2, c, x, y] has singular lines in two-variable complex
space at 
and 
, and has branch cut discontinuities along the rays from 
to 
in 
and 
. - FullSimplify and FunctionExpand include transformation rules for AppellF1.
New in 4
