When you want π 2 csc ( π x ) 2 − π 2 3 {\displaystyle \pi ^{2}\csc \left(\pi x\right)^{2}-{\frac {\pi ^{2}}{3}}} but in 2D.
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... ℘ ( z ) = 1 z 2 + ∑ λ ∈ Λ ∖ { 0 } ( 1 ( z − λ ) 2 − 1 λ 2 ) . {\displaystyle \wp (z)={\frac {1}{z^{2}}}+\sum _{\lambda \in \Lambda \setminus \{0\}}\left({\frac {1}{(z-\lambda )^{2}}}-{\frac {1}{\lambda ^{2}}}\right).}
but in 2D.
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