On the doc page http://eigen.tuxfamily.org/dox/group__TutorialSparse.html search for 'Lapace' and replace it by 'Laplace'. An image under the heading "First Example" is missing. Its URL is http://eigen.tuxfamily.org/dox/Tutorial_sparse_example.jpeg.
Thank you for the report: https://bitbucket.org/eigen/eigen/commits/10158ce79cbb/ Changeset: 10158ce79cbb User: ggael Date: 2013-08-12 13:37:47 Summary: Bug 638: fix typos in sparse tutorial
-- GitLab Migration Automatic Message -- This bug has been migrated to gitlab.com's GitLab instance and has been closed from further activity. You can subscribe and participate further through the new bug through this link to our GitLab instance: https://gitlab.com/libeigen/eigen/issues/638.