Bounds for the number of nodes in Chebyshev type quadrature formulas. (English) Zbl 0751.41026
The authors determine an upper bound for the minimum number of nodes of Chebyshev type quadrature formulas on a finite interval needed in order to achieve a certain degree of precision, using a topological method. The corresponding problem on the \(d\)-dimensional sphere is studied also.
Reviewer: P.Narain (Bombay)
MSC:
| 41A55 | Approximate quadratures |
Keywords:
Chebyshev type quadrature formulasReferences:
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