.. _sphx_glr_gallery_pyplots_annotation_basic.py: ================ Annotation Basic ================ .. image:: /gallery/pyplots/images/sphx_glr_annotation_basic_001.png :align: center .. code-block:: python import numpy as np import matplotlib.pyplot as plt fig = plt.figure() ax = fig.add_subplot(111) t = np.arange(0.0, 5.0, 0.01) s = np.cos(2*np.pi*t) line, = ax.plot(t, s, lw=2) ax.annotate('local max', xy=(2, 1), xytext=(3, 1.5), arrowprops=dict(facecolor='black', shrink=0.05), ) ax.set_ylim(-2,2) plt.show() **Total running time of the script:** ( 0 minutes 0.018 seconds) .. only :: html .. container:: sphx-glr-footer .. container:: sphx-glr-download :download:`Download Python source code: annotation_basic.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: annotation_basic.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_