I like geel but these jokes are getting out of hand
zxp
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#8
multivariable calculus question
in
Off Topic
oh woops, try f(x,y) = 3x^2 - 12xy +3y^2,
then (f_x,f_y) = (6x-12y,6y-12x), so critical point at origin and
f_xx = 6 = f_yy
f_xy = -12,
(-12)^2 - 6*6 = 144 - 36 = 108 > 0 so f has a saddle point at (0,0), and not a minimum. For a maximum analogy you can just take g(x,y) = -f(x,y).
posted about 6 years ago
#2
multivariable calculus question
in
Off Topic
f(x,y) = -xy has extreme value at (0,0) and 2nd order partial derivatives f_xx(x,y) = f_xy(x,y) = f_yx(x,y) = f_yy(x,y) = -1, however the determinant of it's Hessian matrix has value zero so it has a saddle point at (0,0).
edit: see comment below
posted about 6 years ago
#13
Rewind II viewer's guide
in
News
So the Grand Finals are 04.30cest on a monday. Is there really no work around?
posted about 6 years ago
#11
Highlight: alle & Drackk vs. EVL Gaming
in
Videos
Dreamboatmathemaphysicistwho knew mabla had so much casting potential
He was so good.
He completely carried his mediocre co caster. Im sad he didnt get to do a grand final map
I think they're in a relationship though, did you see the way the other guy looked at him?
posted about 7 years ago
#60
paddie leaves froyotech
in
News
I'm glad I saw paddie on pocket at lan, otherwise I'd always have his i58 performance on roamer in my mind as his swan song.
posted about 7 years ago
#1
Dadbolt & Paragon legacy
in
Videos
https://www.youtube.com/watch?v=sQ79dQSqSWE
cool video DanishActionHero
posted about 7 years ago
#71
Hate crime
in
World Events
fxfxfxfxThought experiment: Imagine if the races / motives were reversed.
It's almost as if the discontent with the police shouldn't be excluded to one race, but rather to one other common factor :methinking:
posted about 7 years ago
#83
Get Europe to Rewind in California!
in
TF2 General Discussion
how much for alle to get a tattoo of my face
posted about 7 years ago
#13
School & TF2
in
TF2 General Discussion
just hang at the library and dont leave until you're finished
posted about 7 years ago