{"action":"created","comment":{"url":"https://api.github.com/repos/odlgroup/odl/pulls/comments/84065613","pull_request_review_id":4864250,"id":84065613,"diff_hunk":"@@ -158,29 +138,24 @@ right-hand side is 0.14, so we choose 0.1.\n     >>> for i in range(niter):\n     ...     residual = matrix_op(reco) - data\n     ...     reco -= 0.1 * matrix_op.adjoint(residual)\n-    ...     print(residual.norm())\n-    1.41421356237\n-    0.583095189485\n-    0.240416305603\n-    0.0991261822124\n-    0.0408707719526\n+    ...     print('{:.3}'.format(residual.norm()))\n+    1.41\n+    0.583\n+    0.24\n+    0.0991\n+    0.0409\n \n-If we now exchange ``matrix_op`` and ``data`` with a tomographic projector and line integral data,\n-not a single line of code in the reconstruction method changes since the operator interface is\n-exactly the same.\n+If we now exchange ``matrix_op`` and ``data`` with a tomographic projector and line integral data, not a single line of code in the reconstruction method changes since the operator interface is exactly the same.\n \n \n Further features\n ================\n \n * A unified structure for representing tomographic acquisition geometries\n-* Interfaces to fast external libraries, e.g. ASTRA for X-ray tomography, STIR for emission\n-  tomography (preliminary), pyFFTW for fast Fourier transforms, ...\n+* Interfaces to fast external libraries, e.g. ASTRA for X-ray tomography, STIR for emission tomography (preliminary), pyFFTW for fast Fourier transforms, ...\n * A growing number of \"must-have\" operators like `Gradient`, `FourierTransform`, `WaveletTransform`\n-* Several solvers for variational inverse problems, ranging from simple gradient methods to\n-  the Chambolle-Pock method (more to come...)\n-* Standardized tests for the correctness of implementations of operators and spaces, e.g. does\n-  the adjoint operator fulfill its defining relation?\n+* Several solvers for variational inverse problems, ranging from simple gradient methods to the Chambolle-Pock method (more to come...)","path":"doc/source/getting_started/about_odl.rst","position":211,"original_position":211,"commit_id":"d1c2a49e877c127189d15b2239c984a9371722f6","original_commit_id":"d1c2a49e877c127189d15b2239c984a9371722f6","user":{"login":"adler-j","id":2202312,"avatar_url":"https://avatars.githubusercontent.com/u/2202312?v=3","gravatar_id":"","url":"https://api.github.com/users/adler-j","html_url":"https://github.com/adler-j","followers_url":"https://api.github.com/users/adler-j/followers","following_url":"https://api.github.com/users/adler-j/following{/other_user}","gists_url":"https://api.github.com/users/adler-j/gists{/gist_id}","starred_url":"https://api.github.com/users/adler-j/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/adler-j/subscriptions","organizations_url":"https://api.github.com/users/adler-j/orgs","repos_url":"https://api.github.com/users/adler-j/repos","events_url":"https://api.github.com/users/adler-j/events{/privacy}","received_events_url":"https://api.github.com/users/adler-j/received_events","type":"User","site_admin":false},"body":"Chambolle-pock isnt our most complicated. I'd say something about \"nonsmooth convex solvers such as (list a few)\" also remove \"more to come\".","created_at":"2016-10-19T13:10:13Z","updated_at":"2016-10-19T13:10:13Z","html_url":"https://github.com/odlgroup/odl/pull/664#discussion_r84065613","pull_request_url":"https://api.github.com/repos/odlgroup/odl/pulls/664","_links":{"self":{"href":"https://api.github.com/repos/odlgroup/odl/pulls/comments/84065613"},"html":{"href":"https://github.com/odlgroup/odl/pull/664#discussion_r84065613"},"pull_request":{"href":"https://api.github.com/repos/odlgroup/odl/pulls/664"}}},"pull_request":{"url":"https://api.github.com/repos/odlgroup/odl/pulls/664","id":89662056,"html_url":"https://github.com/odlgroup/odl/pull/664","diff_url":"https://github.com/odlgroup/odl/pull/664.diff","patch_url":"https://github.com/odlgroup/odl/pull/664.patch","issue_url":"https://api.github.com/repos/odlgroup/odl/issues/664","number":664,"state":"open","locked":false,"title":"Issue 121  install 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