Bernoulli umbra
id:
bernoulli-umbra-191-14419975
title:
Bernoulli umbra
text:
In Umbral calculus, the Bernoulli umbra B − is an umbra, a formal symbol, defined by the relation eval B − n = B n − , where eval is the index-lowering operator, also known as evaluation operator and B n − are Bernoulli numbers, called moments of the umbra. A similar umbra, defined as eval B + n = B n + , where B 1 + = 1 / 2 is also often used and sometimes called Bernoulli umbra as well. They are related by equality B + = B − + 1 . Along with the Euler umbra, Bernoulli umbra is one of the
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wiki
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encyclopedia
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original url:
https://en.wikipedia.org/wiki/Bernoulli_umbra
date created:
date modified:
2023-07-24T07:46:19Z
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image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bf/Bumbra.png","width":388,"height":369}
fields total:
13
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14