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Thank you very much, it worked perfect!!!
Hi again, i solved my problem including `Method -> "NelderMead"` to my NMaximize function and the result is rigth now.
Hi, i am using `A1 = Plot3D[Availability[T1, T2], {T1, 0, 8760}, {T2, 0, 8760}` and the result is an empty box. Does anyone knows why i'm having this issue? Basically the plot functions works fine, but the graphics are not displayed....