16-Point Gaussian Quadrature

[Wes Loewer]

(04-09-2021 05:17 AM)Gamo Wrote:  Here is the problem: ∫ 0 to 2 √4 - X² dx = Pi = 3.141592654

I put that exact integral on my last calculus test. :-)

(04-09-2021 04:41 PM)Albert Chan Wrote:  Try this u-transformed function, 16-points should converge to pi pretty good.

The TI-Nspire calculator uses this u-transformation with a 15 point Gauss-Kronrod method.