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Plot the Multiple Gamma Function BarnesG
Visualize the BarnesG function over the complex plane.
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Click for copyable input
Plot3D[Re[BarnesG[x + I y]], {x, -4, 4}, {y, -4, 4}, Mesh -> None, 

 PlotStyle -> Directive[Orange, Specularity[White, 30]], 

 PlotPoints -> 35]
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