WeierstrassP[z, {Subscript[g, 2], Subscript[g, 3]}] == -(Subscript[\[Eta], i]/Subscript[\[Omega], i]) + (Pi^2/(4 Subscript[\[Omega], i]^2)) Sum[Csc[Pi ((z - 2 n Subscript[\[Omega], j])/(2 Subscript[\[Omega], i]))]^ 2, {n, -Infinity, Infinity}] /; Element[{i, j}, {1, 2, 3}] && i != j

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2001-10-29