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First variation

The first variation of a functional

L

at

y

in the direction

η

is

δ L [y; η] = \frac{d}{d ε} L [y + ε η]_{ε = 0} .

Table of contents 39 1
- Fundamental lemma of the calculus of variations First variation 22

 Ancestors (7)

 Incoming links (6)