With this equation, of course:
Graph that and you'll get this:
via Krulwich Wonders
See also: I Heart Math T-Shirt over at the NeatoShop
baro
I was going to post the same thing. Wolfram Alpha seems to disagree, that’s not HI.
Neat link though. I already knew the batman one (previously featured at Neatorama, IIRC), and the origami mermaid is worth trying
anon1
The source page says “plot the following equation over the region -3<x<3, -5<y<5. It also suggested that you should only plot the z values in the range 0<z<0.001."
Is there a way to clip the 3D plot in Wolfram Alpha?
maas
This is the WolframAlpha input:
e^(-3*((0.5+x)^2+y^2/2))+e^(-x^2-(y^2/2))*cos(4*x)
.. but it still doesn’t say “Hi”. I’m sad.
Seban678
Try that input:
plot e^(-3*((0.5+x)^2+y^2/2))+e^(-x^2-y^2/2)*cos(4*x), x=-3..3, y=-5..5
I don’t think it’s possible to see the intersection at z=0.001 as they’ve done in the picture though.
Alex
Almost, guys – the issue is that your range was off (as Seban678 wrote, it’s probably limitation with Wolfram Alpha):
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