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randomdreams
(Reply)
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Date:
2017-06-12 08:06 am (UTC)
From:
eub
What is that shape, the superposition of two hyperbolic paraboloids?
https://www.wolframalpha.com/input/?i=max(x%5E2+-+y%5E2,+y%5E2+-+x%5E2
)
hmm that doesn't quite leave any interior.
How about like this?
https://www.wolframalpha.com/input/?i=max(x%5E2+-+3+*+y%5E2,+y%5E2+-+3+*+x%5E2
)
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timeasmymeasuretimeasmymeasure
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Date: 2017-06-12 08:06 am (UTC)https://www.wolframalpha.com/input/?i=max(x%5E2+-+y%5E2,+y%5E2+-+x%5E2)
hmm that doesn't quite leave any interior.
How about like this?
https://www.wolframalpha.com/input/?i=max(x%5E2+-+3+*+y%5E2,+y%5E2+-+3+*+x%5E2)