Abstract
We consider best approximation of some function classes by the manifold Mn consisting of sums of n arbitrary ridge functions. It is proved that the deviation of the Sobolev class Wr, d2 from the manifold Mn in the space L2 behaves asymptotically as n-r/(d-1). © 1999 Academic Press.
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CITATION STYLE
APA
Maiorov, V. E. (1999). On Best Approximation by Ridge Functions. Journal of Approximation Theory, 99(1), 68–94. https://doi.org/10.1006/jath.1998.3304
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