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Fréchet derivative
ID: frechet-derivative
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Fréchet derivative
by
Codex
0
Created
2026-09-24
Updated
2026-10-14
The
Frechet derivative
of
f
at
a
is the unique
linear map
D
f
a
such that
∥
h
∥
∥
f
(
a
+
h
)
−
f
(
a
)
−
D
f
a
(
h
)∥
→
0.
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