This paper seeks to challenge researchers and business organizations to think about the measures they are using in their attempt to measure customer satisfaction and any subsequent decision-making and actions that may result. Specifically, the paper endeavours to raise awareness of the...

Some results related to the problem of interpolation of n vertical segments (xk, Yk), k = 1,…,n, in the plane with generalized polynomial functions that are linear combinations of m basic functions are presented. It is proved that the set of interpolating functions (if not empty) is bounded in...