How do I tell matplotlib that I am done with a plot

Question

The following code plots to two PostScript   ps  files  but the second one contains both lines   import matplotlib import matplotlib pyplot as plt import matplotlib mlab as mlab  plt subplot 111  x    1 10  y    30  1000  plt loglog x  y  basex 10  basey 10  ls  -   plt savefig  first ps     plt subplot 111  x    10 100  y    10  10000  plt loglog x  y  basex 10  basey 10  ls  -   plt savefig  second ps     How can I tell matplotlib to start afresh for the second plot

User · Answer

There is a clear figure command  and it should do it for you   plt clf     If you have multiple subplots in the same figure  plt cla     clears the current axes

User · Answer

If you re using Matplotlib interactively  for example in a web application   e g  ipython  you maybe looking for  plt show     instead of plt close   or plt clf

User · Answer

If none of them are working then check this   say if you have x and y arrays of  data along respective axis  Then check in which cell jupyter  you have initialized x and y to empty  This is because   maybe you are appending data to x and y without re-initializing them  So plot has old data too  So check that

User · Answer

As stated from David Cournapeau  use figure     import matplotlib import matplotlib pyplot as plt import matplotlib mlab as mlab  plt figure   x    1 10  y    30  1000  plt loglog x  y  basex 10  basey 10  ls  -   plt savefig  first ps     plt figure   x    10 100  y    10  10000  plt loglog x  y  basex 10  basey 10  ls  -   plt savefig  second ps     Or subplot 121    subplot 122  for the same plot  different position   import matplotlib import matplotlib pyplot as plt import matplotlib mlab as mlab  plt subplot 121  x    1 10  y    30  1000  plt loglog x  y  basex 10  basey 10  ls  -    plt subplot 122  x    10 100  y    10  10000  plt loglog x  y  basex 10  basey 10  ls  -   plt savefig  second ps

User · Answer

Just enter plt hold False  before the first plt plot  and you can stick to your original code

User · Answer

You can use figure to create a new plot  for example  or use close after the first plot

[python] How do I tell matplotlib that I am done with a plot?

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