tag:blogger.com,1999:blog-85288261276649619832015-09-17T07:11:42.400+01:00Projective projectsThinking aloud about mathematics and computation from a computer vision researcher.David Tweedhttp://www.blogger.com/profile/02652240412750246340noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8528826127664961983.post-90738952241427003992007-06-19T13:29:00.001+01:002007-06-19T20:10:51.025+01:00Notation: expository articlesOne of the things I think about a lot is notation for making<br />calculations and investigations more reliable and productive. One of<br />my pet hates is articles that attempt to define some brilliant new<br />notation but just present definitions without actually giving any<br />examples of calculations. Obviously I recognise page limits and<br />annoying editors, but <a href="http://www.blogger.com/ieeexplore.ieee.org/iel5/38/26599/01185584.pdf?arnumber=1185584">this<br />article</a> doesn't do more than define things, without showing how<br />they can be useful. (Institutional subscription cookie might be required.)<br /><br />[Update: the article is actually one of a <em>long</em> series, with the latter half actually doing some very interesting calculations in the diagram notation.]<br /><br />In contrast, <a href="http://www.nbi.dk/GroupTheory/">Predrag<br />Cvitanovic's book on Group Theory</a> (which I'm still slowly working<br />through in off hours) does actually demonstrate some calculations. I<br />still can't help wondering why this is so rare though.David Tweedhttp://www.blogger.com/profile/02652240412750246340noreply@blogger.com0tag:blogger.com,1999:blog-8528826127664961983.post-27808453777828135592007-06-18T19:50:00.000+01:002007-06-18T19:59:18.461+01:00ConstraintsI'm a computer vision researcher with various other mathematical and computer related interests. This blog is basically just me thinking aloud. I'm going to spell out the rules I'll be (hopefully) imposing on myself.<br /><br /><ol><li>I'll only post about technical topics, possibly occasionally extending to rants or humour about technical issues. Nothing from me on politics, ethics or morals on this blog. Likewise nothing about my personal life.</li><li>There's no guarantee of regular posts. I realise this makes the blog less viable in linkage terms, but I doubt I'll achieve anything like regular posts.</li><li>I don't have time to spend ages deleting comment spam, so if leaving comments open causes issues they may be closed. Likewise, I reserve the right to act despotically in deleting comments.</li><li>Since this is thinking aloud, I won't apply the same standards I do to more formal publications. In particular, spelling mistakes and mathematical typos are bound to crop up occasionally.</li></ol>Well, that's the agenda.David Tweedhttp://www.blogger.com/profile/02652240412750246340noreply@blogger.com0