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answered 13 years ago
I am afraid you explicitly have to draw the axes.
var('x,y,z') d = 4 P = implicit_plot3d(x^3+y^2-3*z==0,(x,-2,2),(y,-2,2),(z,-3,3)) P += arrow((-d,0,0),(d,0,0)) P += arrow((0,-d,0),(0,d,0)) P += arrow((0,0,-d),(0,0,d)) P.show()