5 citations · 7 across the 3 of their papers we have counts for
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math.CA2007★ 5 cited
On the proximinality of ridge functions
Vugar Ismailov
Using two results of Garkavi, Medvedev and Khavinson, we give sufficient conditions for proximinality of sums of two ridge functions with bounded and continuous summands in the spa…
math.CA2007★ 2 cited
On the approximation by weighted ridge functions
Vugar Ismailov
We characterize the best approximation to a multivariate function by linear combinations of ridge functions multiplied by some fixed weight functions. In the special case w…