Function: jacobi_p (<n>, <a>, <b>, <x>) The Jacobi polynomial.
The Jacobi polynomials are actually defined for all <a> and <b>; however, the Jacobi polynomial weight
(1 - <x>)^<a> (1 + <x>)^<b> isnt integrable for
<a> <= -1 or
<b> <= -1.
Reference: Abramowitz and Stegun, equation 22.5.42, page 779.
(%o1) true (%i2)