Hauv algebraic geometry, ib qho lemniscate yog ib qho ntawm ob peb daim duab-yim lossis ∞-puab nkhaus. Lo lus los ntawm Latin "lēmniscātus" lub ntsiab lus "decorated nrog ribbons", los ntawm Greek λημνίσκος lub ntsiab lus "ribbons", los yog lwm yam yuav xa mus rau cov ntaub plaub los ntawm cov ribbons tau ua.
Puas yog lemniscate ib qho infinity?
Lemniscates yog cov nkhaus uas muaj shape ntawm "∞" (infinity symbol).
Limniscate hauv lus Askiv yog dab tsi?
: a daim duab-yim zoo li tus nkhaus uas nws qhov sib npaug hauv cov kab ke sib luag yog ρ2=a2cos 2θ or ρ2=a2 sin 2θ
lemniscate siv rau dab tsi?
Lub lemniscate, txo qhov loj me rau ntawm cov cim ntaus ntawv, feem ntau yog siv los ua tus cim rau infinity, lossis rau tus nqi uas nce ntxiv yam tsis muaj kev txwv.
Dab tsi yog lemniscate nkhaus?
Lub lemniscate, tseem hu ua lemniscate ntawm Bernoulli, yog ib tug polar nkhaus txhais raws li qhov chaw ntawm cov ntsiab lus xws li cov khoom ntawm kev ncua deb ntawm ob lub ntsiab lusthiab (uas tuaj yeem suav hais tias yog hom foci nrog rau kev sib npaug es tsis txhob ntxiv) yog qhov tas li.