On Convergence of Orthogonal Expansion of a Function From the Class in the Eigenfunctions of a Differential Operator of the Third Order

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Abstract: We consider a third-order ordinary differential operator with summable coefficients. The absolute and uniform convergence of the orthogonal expansion of a function from the class in the eigenfunctionsof this operator is studied and the rate of uniform convergence of these expansions on is estimated

WSEAS Transactions on Advances in Engineering Education, ISSN / E-ISSN: 1790-1979 / 2224-3410, Volume 18, 2021, Art. #16

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Aygun Garayeva, Fatima Guliyeva, "On Convergence of Orthogonal Expansion of a Function From the Class in the Eigenfunctions of a Differential Operator of the Third Order," WSEAS Transactions on Advances in Engineering Education, vol. 18, pp. 160-168, 2021, DOI:10.37394/232010.2021.18.16
Aygun Garayeva, Fatima Guliyeva. On Convergence of Orthogonal Expansion of a Function From the Class in the Eigenfunctions of a Differential Operator of the Third Order. WSEAS Transactions on Advances in Engineering Education. 2021;18:160-168. 10.37394/232010.2021.18.16
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