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Rate-distortion function
(
R
(
d
)
)
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Probability and statistics
Information theory
2026-09-24
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X
and
distortion function
d
(
x
,
y
)
, the rate-
distortion function
is
R
(
D
)
=
in
f
P
Y
∣
X
:
E
d
(
X
,
Y
)
≤
D
I
(
X
;
Y
)
.
(1)
Table of contents
Hamming distortion
Rate-distortion function
Hamming distortion
0
0
0
Rate-distortion function
Hamming
distortion
is
d
(
x
,
y
)
=
1
{
x
=
y
}
, so its expected
distortion
is the
symbol
-error
probability
.
Ancestors
(5)
Information theory
Probability and statistics
Area of mathematics
Mathematics
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(1)
Past exam of the mathematics course of the University of Cambridge
/
2025
/
iii
/
Paper 224
/
3
/
c
/
Solution
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