As shown in the OP, import matplotlib.pyplot as plt is present, but it didn't get executed. You only executed the selected line (9) with plt.show(), not the whole file. You can see the problem by carefully reading the traceback. Line 9 in the script is line 1 in the traceback...
1 Python - plt.tight_layout() TypeError: 'module' object is not callable 17 IPython, "name 'plt' not defined" 0 Trying to plot with plt.plot() without success 1 Why plt.plot does not show me the graph? 1 Plot doesn't appear after using plt.plot Hot Network Questions How ...
在Python文件开头加上 import matplotlib.pyplot as plt
When Matplotlib is not installed, this error is generated upon import. According to the docs, Matplotlib is an optional dependency. However, I can find no way to use the WNTR package without installing Matplotlib. I also see this when us...
4ifNOT DEFINED PYTHONHOME set PYTHONHOME=C:/Users/Administrator/AppData/Local/Programs/Python/Python36 5REM --- 然后在windows 命令行窗口运行如下: 完成编译之后就好啦,现在需要完成VS2015的配置,主要分为三步: - 配置包含路径 - 配置库目录 - 配置链接器 注意: 还有最重要的一点,把对应的python...
使用csv数据文件在百度网盘 import pandas as pd unrate = pd.read_csv('unrate.csv') # pd.to_...
UserWarning: savefig() called but not figure was defined 原因:在尝试保存之前,没有创建任何图表。 解决方法: 确保在调用plt.savefig之前你已经绘制了图表,使用plt.plot或其它绘图函数来生成图表。 如果你在Jupyter Notebook中工作,记得执行所有绘制数据的代码单元。
(``111``, projection``=``'3d'``)` `n ``=` `100` `# For each set of style and range settings, plot n random points in the box``# defined by x in [23, 32], y in [0, 100], z in [zlow, zhigh].``for` `c, m, zlow, zhigh ``in` `[(``'r'``, ``'o'``...
Your plot cannot be generated because you defined the list axis_x having only the length 9, while grd and grd2 have the length equal to 10. Just replace the definition of axis_x with: axis_x=range(1,11) and your plot will show up and it will be saved OK. Share Follow answered ...