.. note:: :class: sphx-glr-download-link-note Click :ref:`here ` to download the full example code .. rst-class:: sphx-glr-example-title .. _sphx_glr_gallery_scales_log_bar.py: ======= Log Bar ======= Plotting a bar chart with a logarithmic y-axis. .. image:: /gallery/scales/images/sphx_glr_log_bar_001.png :class: sphx-glr-single-img .. code-block:: default import matplotlib.pyplot as plt import numpy as np data = ((3, 1000), (10, 3), (100, 30), (500, 800), (50, 1)) dim = len(data[0]) w = 0.75 dimw = w / dim fig, ax = plt.subplots() x = np.arange(len(data)) for i in range(len(data[0])): y = [d[i] for d in data] b = ax.bar(x + i * dimw, y, dimw, bottom=0.001) ax.set_xticks(x + dimw / 2, map(str, x)) ax.set_yscale('log') ax.set_xlabel('x') ax.set_ylabel('y') plt.show() .. _sphx_glr_download_gallery_scales_log_bar.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: log_bar.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: log_bar.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_