.. 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_text_labels_and_annotations_mathtext_demo.py: ============= Mathtext Demo ============= Use Matplotlib's internal LaTeX parser and layout engine. For true LaTeX rendering, see the text.usetex option. .. image:: /gallery/text_labels_and_annotations/images/sphx_glr_mathtext_demo_001.png :class: sphx-glr-single-img .. code-block:: python import matplotlib.pyplot as plt fig, ax = plt.subplots() ax.plot([1, 2, 3], 'r', label=r'$\sqrt{x^2}$') ax.legend() ax.set_xlabel(r'$\Delta_i^j$', fontsize=20) ax.set_ylabel(r'$\Delta_{i+1}^j$', fontsize=20) ax.set_title(r'$\Delta_i^j \hspace{0.4} \mathrm{versus} \hspace{0.4} ' r'\Delta_{i+1}^j$', fontsize=20) tex = r'$\mathcal{R}\prod_{i=\alpha_{i+1}}^\infty a_i\sin(2 \pi f x_i)$' ax.text(1, 1.6, tex, fontsize=20, va='bottom') fig.tight_layout() plt.show() .. _sphx_glr_download_gallery_text_labels_and_annotations_mathtext_demo.py: .. only :: html .. container:: sphx-glr-footer :class: sphx-glr-footer-example .. container:: sphx-glr-download :download:`Download Python source code: mathtext_demo.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: mathtext_demo.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature Keywords: matplotlib code example, codex, python plot, pyplot `Gallery generated by Sphinx-Gallery `_