Geodesic
Error bounds for eigenvalues and eigenfunctions of some ordinary differential operators by the method of least squares
Commentationes Mathematicae Universitatis Carolinae, Tome 12 (1971) no. 2, pp. 235-248 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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Classification : 41A10, 41A15, 49G05, 65-62, 65L15, 65L70 
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}
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Najzar, Karel. Error bounds for eigenvalues and eigenfunctions of some ordinary differential operators by the method of least squares. Commentationes Mathematicae Universitatis Carolinae, Tome 12 (1971) no. 2, pp. 235-248. http://geodesic.mathdoc.fr/item/CMUC_1971_12_2_a2/

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[3] K. NAJZAR: Error-estimates for the method of least squares of finding eigenvalues and eigenfunctions. Comment. Math. Univ. Carolinae 11 (1970), 463-479. | MR | Zbl

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