当你在Python编程中遇到“name 'plt' is not defined”这个错误时,通常意味着在你的代码中使用了plt这个别名,但是没有正确地导入与之关联的模块。针对这个问题,你可以按照以下步骤进行检查和修正: 检查是否已导入matplotlib.pyplot模块: 在你的Python脚本或Jupyter Notebook中,确保你已经导入了matplotlib.pyplot模块,并...
The solution to the "NameError: name 'matplotlib' is not defined" is the same. After you install thematplotlibmodule, you have to import it before you are able to use it in your code. main.py # ✅ Import matplotlib.pyplot and alias it to pltimportmatplotlib.pyplotasplt# ✅ Import ...
$ docker run -it continuumio/anaconda3:latest python -c '\ > import matplotlib; \ > import matplotlib.pyplot as plt; \ > ' Traceback (most recent call last): File "<string>", line 3, in <module> File "/opt/conda/lib/python3.6/site-packages/matplotlib/pyplot.py", line 113, in ...
You need to importplt, like so from matplotlib import pyplot as plt Here you can find a working example: https://github.com/marceloprates/prettymaps/blob/main/notebooks/examples.ipynb I'm still having the same issue. Here's the intro to the script: ...
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在Python中,某些函数或类的名称已被预定义,如果我们定义的变量名与其重复,就会出现NameError错误。 例如,下面的代码中定义了一个变量list,这与Python内置的list函数名冲突了: list = [1, 2, 3, 4, 5] print(list) 会抛出NameError错误: NameError: name 'list' is not defined ...
吴恩达深度学习课程的问题 作业的网址:/u013733326/article/details/79827273 问题1 报错:Module ‘matplotlib.cm’ has no ‘Spectral’ member 原因:原作者的python版本教旧。 更改: map=plt.cm.Spectral 更改为 cmap=plt.cm.get_cmap("Spectral")
2 plt.xlabel('Time (s)') 3 plt.ylabel('Cumulative distance (cm)') 4 plt.tight_layout() 5 plt.savefig('imgs/ex1_fig2a.eps', format='eps', dpi=300) NameError: name 'plt' is not defined I believe this is a matplotlib issue (see, e.g.,konstantint/matplotlib-venn#33). How ca...