FUNCTION
hypergeo_1f1a
Asymptotic formula for hypergeometric function 1f1a
Interface
#include <codecogs/maths/special/hypergeometric/hypergeo_1f1a.h>
using namespace Maths::Special::Hypergeometric;
Asymptotic formula for hypergeometric function:
$$\Gamma(b) \left ( \frac{|z|^{-a}}{\Gamma(b-a)} 2 f_0(a, 1+a-b, -1/x)
+ \frac{e^x |x|^{a-b}}{\Gamma(a)} 2 f_0(b-a, 1-a, 1/x) \right )$$
(1)
References
Cephes Math Library Release 2.0: April, 1987
Parameters
x
argument
Interactive Calculator
a
b
x
error
Result
Computing…
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