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Date: 21-8-2018
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Date: 25-5-2019
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Date: 22-5-2019
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The Dirichlet lambda function is the Dirichlet L-series defined by
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(1) |
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(2) |
where is the Riemann zeta function. The function is undefined at
. It can be computed in closed form where
can, that is for even positive
.
The Dirichlet lambda function is implemented in the Wolfram Language as DirichletLambda[x].
It is related to the Riemann zeta function and Dirichlet eta function by
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(3) |
and
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(4) |
(Spanier and Oldham 1987). Special values of include
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(5) |
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(6) |
REFERENCES:
Abramowitz, M. and Stegun, I. A. (Eds.). Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, pp. 807-808, 1972.
Spanier, J. and Oldham, K. B. "The Zeta Numbers and Related Functions." Ch. 3 in An Atlas of Functions. Washington, DC: Hemisphere, pp. 25-33, 1987.
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ما أبرز التغيرات التي تحدث عند الرجال عندما يصبحون آباءً؟
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حقائق مثيرة للاهتمام حول الأرض
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شعبة التوجيه الديني النسوي تقيم حفلاً بذكرى عيد الغدير الأغر
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