39.080
urejanj
(Cilindrične koordinate - iz en:) |
m (imena kotnih funkcij se v formulah pišejo pokončno) |
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= {1 \over r^2} {\partial \over \partial r}
\left( r^2 {\partial t \over \partial r} \right)
+ {1 \over r^2 \mathrm{sin} \theta} {\partial \over \partial \theta}
\left( \mathrm{sin} \theta {\partial t \over \partial \theta} \right)
+ {1 \over r^2 \mathrm{sin}^2 \theta} {\partial^2 t \over \partial \phi^2}
</math>
[[de:Laplace-Operator]]
[[en:Laplace operator]]
[[sv:Laplaceoperatorn]]
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