Preface of JAS-01-02-2024
Abstract
This second issue of the newborn Journal of Approximation Software is dedicated to the 70th birthday and the retirement of Len Bos. Though software has not been the main scientific interest of Len, he has worked on many codes and has inspired directly or indirectly a lot of numerical software in the framework of polynomial, rational, trigonometric and RBF approximation.
The present contributions range from approximation on the sphere to complex polynomial approximation, multinode Shepard approximation by scattered data, and to exponential integrators for optimal control problems. In the spirit of the journal, the papers describe the theory behind the methods and use of the codes, which are freely available on Github.
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