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near zero (mander.xyz)
submitted 4 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz
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[-] agamemnonymous@sh.itjust.works 13 points 4 months ago

When taking about limits, you can approach 0 from the positive or negative direction, which can give very different results. For example, lim cotx, x->0+ = ∞ while lim cotx, x->0- = -∞

[-] Leate_Wonceslace@lemmy.dbzer0.com 16 points 4 months ago

Speaking as a mathematician, it's not really accurate to call that -0.

[-] agamemnonymous@sh.itjust.works 5 points 4 months ago

Yes, but it is infinitesimally close.

[-] Gladaed@feddit.de 1 points 4 months ago

You also can't call something infinity. People call stuff names. It is just important that they define their terms well enough.

[-] Leate_Wonceslace@lemmy.dbzer0.com 1 points 4 months ago

You also can't call something infinity

Why do you think that?

this post was submitted on 18 May 2024
737 points (98.0% liked)

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