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Chebyshev-Radau Quadrature

A Gaussian Quadrature-like Formula over the interval $[-1,1]$ which has Weighting Function $W(x)=x$. The general Formula is

\begin{displaymath}
\int_{-1}^1 xf(x)\,dx = \sum_{i=1}^n w_i[f(x_i)-f(-x_i)].
\end{displaymath}

$n$ $x_i$ $w_i$
1 0.7745967 0.4303315
2 0.5002990 0.2393715
  0.8922365 0.2393715
3 0.4429861 0.1599145
  0.7121545 0.1599145
  0.9293066 0.1599145
4 0.3549416 0.1223363
  0.6433097 0.1223363
  0.7783202 0.1223363
  0.9481574 0.1223363


References

Beyer, W. H. CRC Standard Mathematical Tables, 28th ed. Boca Raton, FL: CRC Press, p. 466, 1987.




© 1996-9 Eric W. Weisstein
1999-05-26