Abstract:For analytic functions we study the remainder terms of Gauss quadrature rules
with respect to Bernstein-Szeg? weight functions w(t) = w?,?,?(t) = ?1+t/
1-t/?(?-2?)t2+2?(?-?)t+?2+?2, t?(-1,1), where 0 < ? <
?, ??2?, ??? < ?-?, and whose denominator is an arbitrary polynomial of
exact degree 2 that remains positive on [-1,1]. The subcase ?=1, ?=
2/(1+?), -1 < ? < 0 and ?=0 has been considered recently by M. M.
Spalevic, Error bounds of Gaussian quadrature formulae for one class o… Show more
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