How to obtain empty 3d plot

I am trying to plot empty 3d plot with axis -20:5:20 and plot relevant data later. how can I plot such a 3D plot. please help

Answer 1

[Walter Roberson]

ax = axes();
xlim(ax, [-20 20]);
ylim(ax, [-20 20]);
zlim(ax, [-20 20]);
view(ax, 3)
hold(ax, 'on')

[kavinda hw]

Thank you for response