1load("docdraw.mac"); 2docdraw3d("figures/draw_logcb", 3 enhanced3d = true, 4 color = green, 5 logcb = true, 6 logz = true, 7 palette = [-15,24,-9], 8 explicit(exp(x^2-y^2), x,-2,2,y,-2,2) 9) $ 10