Davrot at 17:04, 17 October 2025

2025-10-17T17:04:14Z

← Older revision		Revision as of 17:04, 17 October 2025
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	~~== The goal ==~~
	Questions to [mailto:davrot@uni-bremen.de David Rotermund]		Questions to [mailto:davrot@uni-bremen.de David Rotermund]

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	This is a wrapper of Figure.add_subplot which provides additional behavior when working with the implicit API (see the notes section).</blockquote><blockquote>*'''args''': int, (int, int, index), or SubplotSpec, default: (1, 1, 1)		This is a wrapper of Figure.add_subplot which provides additional behavior when working with the implicit API (see the notes section).</blockquote><blockquote>*'''args''': int, (int, int, index), or SubplotSpec, default: (1, 1, 1)

	The position of the subplot described by one of * Three integers (nrows, ncols, index). The subplot will take the index position on a grid with nrows rows and ncols columns. index starts at 1 in the upper left corner and increases to the right. index can also be a two-tuple specifying the (first, last) indices (1-based, and including last) of the subplot, e.g., fig.add_subplot(3, 1, (1, 2)) makes a subplot that spans the upper 2/3 of the figure. * A 3-digit integer. The digits are interpreted as if given separately as three single-digit integers, i.e. fig.add_subplot(235) is the same as fig.add_subplot(2, 3, 5). Note that this can only be used if there are no more than 9 subplots.</blockquote><syntaxhighlight lang="python">import numpy as np		The position of the subplot described by one of

			* Three integers (nrows, ncols, index). The subplot will take the index position on a grid with nrows rows and ncols columns. index starts at 1 in the upper left corner and increases to the right. index can also be a two-tuple specifying the (first, last) indices (1-based, and including last) of the subplot, e.g., fig.add_subplot(3, 1, (1, 2)) makes a subplot that spans the upper 2/3 of the figure.
			* A 3-digit integer. The digits are interpreted as if given separately as three single-digit integers, i.e. fig.add_subplot(235) is the same as fig.add_subplot(2, 3, 5). Note that this can only be used if there are no more than 9 subplots.</blockquote><syntaxhighlight lang="python">import numpy as np

	import matplotlib.pyplot as plt		import matplotlib.pyplot as plt

Davrot: Created page with "== The goal == Questions to [mailto:davrot@uni-bremen.de David Rotermund] == [https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplot.html matplotlib.pyplot.subplot] == matplotlib.pyplot.subplot(*args, **kwargs)
Add an Axes to the current figure or retrieve an existing Axes. This is a wrapper of Figure.add_subplot which provides additional behavior when working with the implicit API (see the notes..."

2025-10-17T14:29:51Z

Created page with "== The goal == Questions to [mailto:davrot@uni-bremen.de David Rotermund] == [https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplot.html matplotlib.pyplot.subplot] == <syntaxhighlight lang="python">matplotlib.pyplot.subplot(*args, **kwargs)</syntaxhighlight><blockquote>Add an Axes to the current figure or retrieve an existing Axes. This is a wrapper of Figure.add_subplot which provides additional behavior when working with the implicit API (see the notes..."

New page

== The goal ==
Questions to [mailto:davrot@uni-bremen.de David Rotermund]

== [https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplot.html matplotlib.pyplot.subplot] ==
<syntaxhighlight lang="python">matplotlib.pyplot.subplot(*args, **kwargs)</syntaxhighlight><blockquote>Add an Axes to the current figure or retrieve an existing Axes.

This is a wrapper of Figure.add_subplot which provides additional behavior when working with the implicit API (see the notes section).</blockquote><blockquote>*'''args''': int, (int, int, index), or SubplotSpec, default: (1, 1, 1)

The position of the subplot described by one of * Three integers (nrows, ncols, index). The subplot will take the index position on a grid with nrows rows and ncols columns. index starts at 1 in the upper left corner and increases to the right. index can also be a two-tuple specifying the (first, last) indices (1-based, and including last) of the subplot, e.g., fig.add_subplot(3, 1, (1, 2)) makes a subplot that spans the upper 2/3 of the figure. * A 3-digit integer. The digits are interpreted as if given separately as three single-digit integers, i.e. fig.add_subplot(235) is the same as fig.add_subplot(2, 3, 5). Note that this can only be used if there are no more than 9 subplots.</blockquote><syntaxhighlight lang="python">import numpy as np

import matplotlib.pyplot as plt

rng = np.random.default_rng()

plt.figure(1)
plt.subplot(2, 2, 1)
plt.imshow(rng.random((10, 100)))
plt.title("A")
plt.subplot(2, 2, 2)
plt.imshow(rng.random((5, 10)))
plt.title("B")
plt.subplot(2, 2, 3)
plt.imshow(rng.random((50, 20)))
plt.title("C")
plt.subplot(2, 2, 4)
plt.imshow(rng.random((100, 200)))
plt.title("D")
plt.show()</syntaxhighlight><div class="figure">
[[File:7 0.png]]
</div>

== [https://matplotlib.org/stable/api/_as_gen/matplotlib.pyplot.subplots_adjust.html matplotlib.pyplot.subplots_adjust] ==
<syntaxhighlight lang="python">matplotlib.pyplot.subplots_adjust(left=None, bottom=None, right=None, top=None, wspace=None, hspace=None)</syntaxhighlight><blockquote>Adjust the subplot layout parameters.

Unset parameters are left unmodified; initial values are given by '''rcParams[“figure.subplot.[name]”]'''.</blockquote><blockquote>'''left''': float, optional

The position of the left edge of the subplots, as a fraction of the figure width.

'''right''': float, optional

The position of the right edge of the subplots, as a fraction of the figure width.

'''bottom''': float, optional

The position of the bottom edge of the subplots, as a fraction of the figure height.

'''top''': float, optional

The position of the top edge of the subplots, as a fraction of the figure height.

'''wspace''': float, optional

The width of the padding between subplots, as a fraction of the average Axes width.

'''hspace''': float, optional

The height of the padding between subplots, as a fraction of the average Axes height.</blockquote>The parameter meanings (and suggested defaults) are:<syntaxhighlight lang="python">left = 0.125 # the left side of the subplots of the figure
right = 0.9 # the right side of the subplots of the figure
bottom = 0.1 # the bottom of the subplots of the figure
top = 0.9 # the top of the subplots of the figure
wspace = 0.2 # the amount of width reserved for space between subplots,
# expressed as a fraction of the average axis width
hspace = 0.2 # the amount of height reserved for space between subplots,
# expressed as a fraction of the average axis height</syntaxhighlight><syntaxhighlight lang="python">import numpy as np

import matplotlib.pyplot as plt

rng = np.random.default_rng()

plt.figure(1)
plt.subplot(2, 2, 1)
plt.imshow(rng.random((10, 10)))
plt.title("A")
plt.subplot(2, 2, 2)
plt.imshow(rng.random((10, 10)))
plt.title("B")
plt.subplot(2, 2, 3)
plt.imshow(rng.random((10, 10)))
plt.title("C")
plt.subplot(2, 2, 4)
plt.imshow(rng.random((10, 10)))
plt.title("D")

plt.subplots_adjust(left=0.01, right=1.0, bottom=0.1, top=1.0, wspace=-0.5, hspace=0.4)

plt.show()</syntaxhighlight>[[File:7 1.png]]<div class="figure">
</div>

Subplot - Revision history

Davrot at 17:04, 17 October 2025