fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 年前near zeromander.xyzimagemessage-square105fedilinkarrow-up1727arrow-down114
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minus-squareagamemnonymous@sh.itjust.workslinkfedilinkEnglisharrow-up13·1 年前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- = -∞
minus-squareLeate_Wonceslace@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up16·1 年前Speaking as a mathematician, it’s not really accurate to call that -0.
minus-squareagamemnonymous@sh.itjust.workslinkfedilinkEnglisharrow-up6arrow-down1·1 年前Yes, but it is infinitesimally close.
minus-squareGladaed@feddit.delinkfedilinkEnglisharrow-up2arrow-down1·1 年前You also can’t call something infinity. People call stuff names. It is just important that they define their terms well enough.
minus-squareLeate_Wonceslace@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up2arrow-down1·1 年前 You also can’t call something infinity Why do you think that?
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- = -∞
Speaking as a mathematician, it’s not really accurate to call that -0.
Yes, but it is infinitesimally close.
You also can’t call something infinity. People call stuff names. It is just important that they define their terms well enough.
Why do you think that?