• BEST ONE-SIDED APPROXIMATION OF UNBOUNDEDFUNCTION
Abstract
In this work, we shall study characterize of one-sided approximation of unbounded functions in weighted space and we shall compare between different norms such as , and where is any unbounded function by using the function = ( ) such that:
(x)=
where m be natural number, v= , or ( is mult-variable) and = Alsowe shall deduce degree of best one sided approximation in weighted by using some result of degree of best approximation in Lp-space, also we discuss the relation between degree of best one-sided approximation of unbounded function and degree of best one sided approximation of it's derivative.
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