fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 7 months agonear zeromander.xyzimagemessage-square109fedilinkarrow-up1736arrow-down115
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minus-squareagamemnonymouslinkfedilinkEnglisharrow-up13·7 months agoWhen 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-up16·7 months agoSpeaking as a mathematician, it’s not really accurate to call that -0.
minus-squareagamemnonymouslinkfedilinkEnglisharrow-up6arrow-down1·7 months agoYes, but it is infinitesimally close.
minus-squareGladaed@feddit.delinkfedilinkEnglisharrow-up2arrow-down1·7 months agoYou 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-down1·7 months ago 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?