Orthogonal polynomials relative to the Jacobi weight function, but orthogonal on a strict subinterval of [-1, 1] are studied, in particular with regard to their numerical computation. Related Gaussian quadrature rules are also considered.
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This serves as a companion piece to the paper "Sub-range Jacobi polynomials", Numerical Algorithms, 2012, Volume 61, Issue 4, pp. 649-657. doi: 10.1007/s11075-012-9556-z.