Merge pull request #807 from tvcastillod/week-3

Added blogpost week 3

docs/source/posts/2023/2023-06-19-week-3-tvcastillod.rst

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+Week 3: Working on uncertainty and details of the first PR
+==========================================================
+
+.. post:: June 19, 2023
+   :author: Tania Castillo
+   :tags: google
+   :category: gsoc
+
+What did I do this week?
+------------------------
+
+I made some adjustments to the ellipsoid actor definition, now called *tensor*. This was something discussed in the weekly meeting as the coming changes are related to this actor, the idea now is to have a tensor actor that allows choosing between displaying the tensor ellipsoids or the uncertainty cones (later on). I also worked on the uncertainty calculation, and the cone SDF for the visualization, so I plan to do a WIP PR next to start getting feedback on this new addition.
+
+What is coming up next?
+-----------------------
+
+As for the uncertainty calculation, other data is needed such as the noise variance and the design matrix (check `this <https://onlinelibrary.wiley.com/doi/full/10.1002/mrm.21111>`_ article for more details), I need to identify which should be the parameters for the function definition. I also have to work on the documentation, so the function and its purpose are clear. I plan to make some final adjustments related to the uncertainty so that the next PR is ready for submission this week. I also expect to make final changes to the first PR so that it can be merged soon.
+
+Did I get stuck anywhere?
+-------------------------
+
+Not this week, I will wait for feedback to see if there is anything I need to review or correct.