pop quiz

Feb. 18th, 2008 04:38 pm
fflo: (Default)
[personal profile] fflo
What have we got here?

figure

(a) nobody gives a damn, Lisa;
(b) phase portraits of quadratic polynomial vector fields;
(c) phase portraits of polynomially quadratic field vectors;
(d) quadratic vector portraits of topologically insignificant vector phase fields.

Anybody?

Date: Feb. 18th, 2008 11:31 pm (UTC)
paperkingdoms: (Default)
From: [personal profile] paperkingdoms
I'm gonna go with b. They're definitely phase portraits. And I have no idea what "polynomially quadratic" would mean. And they shouldn't be topologically insignificant. There are sinks and sources and stuff like that.

Date: Feb. 18th, 2008 11:45 pm (UTC)
From: [identity profile] fflo.livejournal.com
we have a winnah! unless we count [livejournal.com profile] sprig5's answer just above. ;)

btw, E, H & M asked me to ask you to pass on their thanks for the valentines. cads that they are, they sent none themselves.

Date: Feb. 20th, 2008 08:23 pm (UTC)
paperkingdoms: (iris (purple))
From: [personal profile] paperkingdoms
Yay! They're very welcome. :^)
fflo: (Default)
fflo

Hello.

CURRENTLY FEATURING
the
Postcard of the Day

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For another postcard thing, see
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its handy archive.

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