Approximation of functions of two variables by some linear positive opertors
[ 1 ] Instytut Matematyki, Wydział Elektryczny, Politechnika Poznańska | [ P ] employee
2005
scientific article
english
- positive linear operator
- degree of approximation
- polynomial and exponential weighted spaces
EN We introduce certain positive linear operators in weighted spaces of functions of two variables and we study approximation properties of these operators. We give theorems on the degree of approximation of functions from polynomial and exponential weighted spaces by introduced operators, using norms of these spaces.
37 - 48
publisher's website
final published version