Fundamental Lemma of Calculus of Variations
If M is continuous and
for all infinitely differentiable h(x), then
| M(x)=0 |
on the open interval (a,b).
See also
Calculus of VariationsExplore with Wolfram|Alpha
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Cite this as:
Weisstein, Eric W. "Fundamental Lemma of Calculus of Variations." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/FundamentalLemmaofCalculusofVariations.html