:orphan: Linear Problems =============== .. raw:: html <div class="sphx-glr-thumbnails"> .. thumbnail-parent-div-open .. raw:: html <div class="sphx-glr-thumbcontainer" tooltip="Here we demonstrate the basics of inverting data with SimPEG by considering a linear inverse problem. We formulate the inverse problem as a least-squares optimization problem. For this tutorial, we focus on the following:"> .. only:: html .. image:: /content/user-guide/tutorials/02-linear_inversion/images/thumb/sphx_glr_plot_inv_1_inversion_lsq_thumb.png :alt: :ref:`sphx_glr_content_user-guide_tutorials_02-linear_inversion_plot_inv_1_inversion_lsq.py` .. raw:: html <div class="sphx-glr-thumbnail-title">Linear Least-Squares Inversion</div> </div> .. raw:: html <div class="sphx-glr-thumbcontainer" tooltip="Least-squares inversion produces smooth models which may not be an accurate representation of the true model. Here we demonstrate the basics of inverting for sparse and/or blocky models. Here, we used the iteratively reweighted least-squares approach. For this tutorial, we focus on the following:"> .. only:: html .. image:: /content/user-guide/tutorials/02-linear_inversion/images/thumb/sphx_glr_plot_inv_2_inversion_irls_thumb.png :alt: :ref:`sphx_glr_content_user-guide_tutorials_02-linear_inversion_plot_inv_2_inversion_irls.py` .. raw:: html <div class="sphx-glr-thumbnail-title">Sparse Inversion with Iteratively Re-Weighted Least-Squares</div> </div> .. thumbnail-parent-div-close .. raw:: html </div> .. toctree:: :hidden: /content/user-guide/tutorials/02-linear_inversion/plot_inv_1_inversion_lsq /content/user-guide/tutorials/02-linear_inversion/plot_inv_2_inversion_irls .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-gallery .. container:: sphx-glr-download sphx-glr-download-python :download:`Download all examples in Python source code: 02-linear_inversion_python.zip </content/user-guide/tutorials/02-linear_inversion/02-linear_inversion_python.zip>` .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download all examples in Jupyter notebooks: 02-linear_inversion_jupyter.zip </content/user-guide/tutorials/02-linear_inversion/02-linear_inversion_jupyter.zip>` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_