Python错误集锦：subplot提示ValueError: Single argument to subplot must be a three-digit integer, not 3411

Matplotlib画子图错误提示及解决方法

原创

于 2020-12-18 19:46:45 发布 · 7k 阅读

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CC 4.0 BY-SA版权

文章标签：

#python

博客介绍了使用matplotlib画子图时出现的错误提示，即'Single argument to subplot must be a three - digit integer, not 3411'，分析可能原因是用单个参数表示行列和位置时，必须是3位数且z<=x*y、z只能用1 - 9的数值，还给出了将subplot方法入参用3个整数表示的解决方法。

原文链接：http://www.juzicode.com/archives/2498

错误提示：

使用matplotlib画子图时提示：ValueError: Single argument to subplot must be a three-digit integer, not 3411

Traceback (most recent call last):
  File "13-plt-subplot-子图限制.py", line 30, in <module>
    ax3 = plt.subplot(3411)
  File "D:\Python\Python38\lib\site-packages\matplotlib\pyplot.py", line 1142, in subplot
    ax = fig.add_subplot(*args, **kwargs)
  File "D:\Python\Python38\lib\site-packages\matplotlib\figure.py", line 1402, in add_subplot
    ax = subplot_class_factory(projection_class)(self, *args, **kwargs)
  File "D:\Python\Python38\lib\site-packages\matplotlib\axes\_subplots.py", line 39, in __init__
    self._subplotspec = SubplotSpec._from_subplot_args(fig, args)
  File "D:\Python\Python38\lib\site-packages\matplotlib\gridspec.py", line 666, in _from_subplot_args
    raise ValueError(
ValueError: Single argument to subplot mu