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Found 5 Documents (Results 1–5)

Estimation of the remainder of a cubature formula on a Chebyshev grid. (Russian, English) Zbl 1274.65071

Zh. Vychisl. Mat. Mat. Fiz. 52, No. 8, 1373-1377 (2012); translation in Comput. Math. Math. Phys. 52, No. 8, 1089-1093 (2012).
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Estimation of the remainder of a cubature formula on a Chebyshev grid for two-variable functions. (Russian, English) Zbl 1274.65070

Zh. Vychisl. Mat. Mat. Fiz. 52, No. 7, 1185-1191 (2012); translation in Comput. Math. Math. Phys. 52, No. 7, 985-991 (2012).
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Approximate computation of eigenvalues and eigenfunctions of Sturm-Liouville differential operators by applying the theory of regularized traces. (Russian, English) Zbl 1249.34001

Zh. Vychisl. Mat. Mat. Fiz. 52, No. 3, 409-446 (2012); translation in Comput. Math. Math. Phys. 52, No. 3, 351-386 (2012).
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The theory of regularized traces of Sturm-Liouville operators as applied to approximate calculation of eigenvalues and eigenfunctions of certain singular operators. (Russian, English) Zbl 1249.34253

Zh. Vychisl. Mat. Mat. Fiz. 51, No. 12, 2209-2232 (2011); translation in Comput. Math. Math. Phys. 51, No. 12, 2079-2101 (2011).
MSC:  34L16 34B24 34L40
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Estimates of residual terms of multiple Fourier-Chebyshev series and the Chebyshev type cubature formulas. (Russian, English) Zbl 1121.41307

Zh. Vychisl. Mat. Mat. Fiz. 43, No. 5, 643-663 (2003); translation in Comput. Math. Math. Phys. 43, No. 5, 613-632 (2003).
MSC:  41A55 42A10 65D30
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