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单词 second fundamental form
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Examples ofsecond fundamental form

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In order to prove the existence of classical solution, we need a priori estimates for the second derivatives or equivalently, thesecondfundamentalform.
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The above expression, a symmetric bilinear form at each point, is thesecondfundamentalform.
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The most important example is thesecondfundamentalform, defined classically as follows.
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It is often referred to as thesecondfundamentalform.
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Observe that the mean curvature is a trace, or average, of thesecondfundamentalform, for any given component.
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If the affine connection is torsion-free, then thesecondfundamentalformis symmetric.
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More abstractly, the mean curvature is the trace of thesecondfundamentalformdivided by "n" (or equivalently, the shape operator).
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The eigenvalues of thesecondfundamentalform, represented in an orthonormal basis, are the principal curvatures of the surface.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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更新时间:2025/1/19 2:24:20