Obtaining generating functions
Elna Browning McBride
This book is an introduction to the study of methods of obtaining generating functions. It is an expository work at the level of the beginning graduate student.The first part of Chapter I gives the reader the necessary definitions and basic concepts. The fundamental method of direct summation is explained and illustrated.The second part of Chapter I deals with the methods developed by Rainville. These methods are based principally on inventive manipulation of power series.
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