Function approximation, a central theme in numerical analysis and applied mathematics, seeks to represent complex functions through simpler or more computationally tractable forms. In this context, ...

This is a preview. Log in through your library . Abstract Gaussian process models have been widely used in spatial statistics but face tremendous computational challenges for very large data sets. The ...

For an inventory model with a central warehouse that supplies two satellite ware-houses an approximation of the cost function by upper and lower bounds is presented under the assumption that the ...