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Varentropy
(
V
H
(
X
)
)
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Probability and statistics
Information theory
Information entropy
2026-09-24
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The varentropy of
a
discrete
random variable
with
mass
function
P
is the
variance
of its
information content
:
V
H
(
X
)
=
Var
[
−
lo
g
P
(
X
)]
.
(1)
Ancestors
(6)
Information entropy
Information theory
Probability and statistics
Area of mathematics
Mathematics
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Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 208
/
1
/
d
/
Solution
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