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David Haslam (talk | contribs) →References: ==See also== *Castigliano's method |
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or, in coordinate free notation <math>\nabla^4 \mathbf{u}=0</math> which is just the [[biharmonic equation]] in <math>\mathbf{u}</math>.
==See also==
*[[Castigliano's method]]
== References ==
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