Search found 5 matches

by mafaraxas
Fri Jan 21, 2011 6:56 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0850: "World According To Americans"
Replies: 712
Views: 176089

Re: 0850: "World According To Americans"

For pedantry's sake, let me point out some errors I notice: - they forgot Greece - the western Mediterranean is quite poorly drawn - they put the Cyrenaican peninsula in Egypt, instead of Libya - they misplace Cape Horn as being in Africa, instead of South America - they left out one of the larger ...
by mafaraxas
Mon Nov 08, 2010 3:23 pm UTC
Forum: Individual XKCD Comic Threads
Topic: 0816: "Applied Math"
Replies: 88
Views: 28540

Re: 0816: Applied Math

To be a small sticker on notation: where it says P \Lambda \bar{P} , what you probably meant, the adjoint (conjugate transpose for finite-dimensional spaces), is usually written P^* rather than \bar{P} to distinguish it from only doing complex conjugate (without doing transpose) of all the elements...
by mafaraxas
Mon Nov 08, 2010 8:13 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0816: "Applied Math"
Replies: 88
Views: 28540

Re: 0816: Applied Math

To be a small sticker on notation: where it says P \Lambda \bar{P} , what you probably meant, the adjoint (conjugate transpose for finite-dimensional spaces), is usually written P^* rather than \bar{P} to distinguish it from only doing complex conjugate (without doing transpose) of all the elements ...
by mafaraxas
Mon Jul 19, 2010 8:44 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0768: "1996"
Replies: 190
Views: 56595

Re: "1996" Discussion

As a math teacher, it's actually really nice that this technology has NOT changed. I can teach my students on the calculator that I learned on and maybe one of them will teach a future math student on a TI-83+ as well. Even if they keep all the software, interface, etc. intact, there's no good excu...
by mafaraxas
Mon Feb 15, 2010 10:32 am UTC
Forum: Individual XKCD Comic Threads
Topic: 0702: "Snow Tracking"
Replies: 135
Views: 39244

Re: “Snow Tracking” discussion

adrians: i was about to post that. you suck.

here's another reference:
http://math.ucsd.edu/~ebender/87/bicycle.pdf

edit: oh, that person referenced this same paper anyways. also, that link has absolutely zero "scary" math (unless you consider tangent line to be too mathy?)

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