pyplot.close() ⚬ Entries

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pyplot.close() ⚬｜Documentation｜1st｜20251021110900-00-⌔

matplotlib.pyplot.close — Matplotlib 3.10.8 documentation#matplotlib.pyplot.close

matplotlib.pyplot.close(fig=None)

Close a figure window, and unregister it from pyplot.

Parameters:

fig: None or int or str or Figure

The figure to close. There are a number of ways to specify this:

• None: the current figure
• Figure: the given Figure instance
• int: a figure number
• str: a figure name
• ‘all’: all figures

Notes:

pyplot maintains a reference to figures created with figure(). When work on the figure is completed, it should be closed, i.e. deregistered from pyplot, to free its memory (see also rcParams["figure.max_open_warning"] (default: 20)). Closing a figure window created by show() automatically deregisters the figure. For all other use cases, most prominently savefig() without show(), the figure must be deregistered explicitly using close().

Printed 2026-06-28.

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