abline - Draws a line on the current axes with a given slope and intercept. [demo]
dp - Draws a diagonal line on an existing figure. [demo]
hline - Adds horizontal lines to figure at specified locations. [demo]
vline - Adds vertical lines to figure at specified locations. [demo]
zline - Adds vertical lines to 3D figure at specified locations. [demo]
ellps - Plots an ellipse on an existing figure. [demo]
gselect - Selects objects in a figure (various selection styles). [demo]
mplot - Automatic creation of subplots and plotting. [demo]
yscale - Rescales the y-axis limits on each subplot in a figure.
