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  • python - Importing Matplotlib - Stack Overflow
    from matplotlib import pyplot as plt is the same as import matplotlib pyplot as plt and means that you are importing the pyplot module of matplotlib into your namespace under the shorter name plt The pyplot module is where the plot(), scatter(), and other commands live If you don't want to write plt before every plot call you could instead do
  • How to set the axis limits in Matplotlib? - Stack Overflow
    To add to @Hima's answer, if you want to modify a current x or y limit you could use the following import numpy as np # you probably alredy do this so no extra overhead fig, axes = plt subplot() axes plot(data[:,0], data[:,1]) xlim = axes get_xlim() # example of how to zoomout by a factor of 0 1 factor = 0 1 new_xlim = (xlim[0] + xlim[1]) 2 + np array((-0 5, 0 5)) * (xlim[1] - xlim[0]) * (1
  • python - How to put the legend outside the plot - Stack Overflow
    plt legend(bbox_to_anchor=(1 04, 1), loc="upper left") places the legend outside the axes, such that the
  • How to change the font size on a matplotlib plot
    If you are a control freak like me, you may want to explicitly set all your font sizes: import matplotlib pyplot as plt SMALL_SIZE = 8 MEDIUM_SIZE = 10 BIGGER_SIZE = 12 plt rc('font', size=SMALL_SIZE) # controls default text sizes plt rc('axes', titlesize=SMALL_SIZE) # fontsize of the axes title plt rc('axes', labelsize=MEDIUM_SIZE) # fontsize of the x and y labels plt rc('xtick', labelsize
  • Improve subplot size spacing with many subplots
    Similar to tight_layout matplotlib now (as of version 2 2) provides constrained_layout In contrast to tight_layout, which may be called any time in the code for a single optimized layout, constrained_layout is a property, which may be active and will optimze the layout before every drawing step
  • How to set a single, main title above all the subplots
    I prefer the consistency of using fig suptitle(title) rather than plt suptitle(title) When using fig tight_layout() the title must be shifted with fig subplots_adjust(top=0 88) See answer below about fontsizes; Example code taken from subplots demo in matplotlib docs and adjusted with a master title
  • How do I draw a grid onto a plot in Python? - Stack Overflow
    Here is a small example how to add a matplotlib grid in Gtk3 with Python 2 (not working in Python 3): #! usr bin env python #-*- coding: utf-8 -*- import gi gi require_version('Gtk', '3 0') from gi repository import Gtk from matplotlib figure import Figure from matplotlib backends backend_gtk3agg import FigureCanvasGTK3Agg as FigureCanvas win = Gtk Window() win connect("delete-event", Gtk main
  • Save plot to image file instead of displaying it
    import datetime import numpy as np from matplotlib backends backend_pdf import PdfPages import matplotlib pyplot as plt # Create the PdfPages object to which we will save the pages: # The with statement makes sure that the PdfPages object is closed properly at # the end of the block, even if an Exception occurs with PdfPages('multipage_pdf pdf') as pdf: plt figure(figsize=(3, 3)) plt plot
  • How do I change the size of figures drawn with Matplotlib?
    Using plt rcParams There is also this workaround in case you want to change the size without using the figure environment So in case you are using plt plot() for example, you can set a tuple with width and height import matplotlib pyplot as plt plt rcParams["figure figsize"] = (20,3)





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