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Interpolation of functions by the least squares method |
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| Authors: | A. L. Grigoryan |
| Affiliation: | (1) Armenian State Technical University, USSR |
| Abstract: | We study the norm of a best quadratic trigonometric approximation operator on a finite uniform grid. Dedicated to the memory of my scientific adviser, Professor S. B. Stechkin Translated fromMatematicheskie Zametki, Vol. 66, No. 3, pp. 372–379, September, 1999. |
| Keywords: | interpolation of functions least squares method best quadratic trigonometric approximation polynomial of best quadratic approximation |
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