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Abel sum
Meaning
Noun
●
In Mathematical analysis:
Given
a
power
series
f(x)=∑ₙ₌₀ ᪲a_nxⁿ
that
is
convergent
for
real
x
in
the
open
interval
(0,
1),
the
value
lim
_(x→1⁻)∑ₙ₌₀ ᪲a_nxⁿ,
which
is
assigned
to
f(1)=∑ₙ₌₀ ᪲a_n
by
the
Abel
summation
method
(or
A-method).
Sourced from
Wiktionary
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