Cesáro summation

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Cesáro summation

[chā′zä·rō sə′mā·shən]
(mathematics)
A method of attaching sums to certain divergent sequences and series by taking averages of the first n terms and passing to the limit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.