ylim

Plot limits for the $y$-axis

ylim([a b])

• It sets the lower and upper limits to a and b, respectively, and switches to manual mode.
• a and b should be scalars with a < b.

ylim

• It returns the current limits.

ylim('mode')

• It returns the current mode, either 'auto' or 'manual'.

ylim('auto')

• It switches to 'auto' mode, and limits are generated automatically.

ylim('manual')

• It switches to 'manual' mode.

Discussions

• If the hold state is set to off, execution of the next plotting function will reset it to auto mode. Otherwise, the mode and limits remain unchanged.

• The following actions change the limit mode:

  Action	Line Plot Being Shown	Surface Plot Being Shown
  Zoom	Switch to manual	Unchanged
  Pan	Switch to manual	Unchanged
  Rotate	Not applicable	Unchanged
  Reset view	Switch to auto	Unchanged