Hauv kev ua lej, qhov tsis sib xws isoperimetric yog qhov tsis sib xws ntawm geometric suav nrog thaj tsam ntawm ib qho teeb tsa thiab nws qhov ntim.
Isoperimetric txhais li cas?
1: ntawm, ntsig txog, lossis muaj qhov sib npaug- siv tshwj xeeb ntawm cov duab geometrical. 2: muaj qhov ntsuas tas li -siv ntawm kab ntawm daim duab qhia chaw.
Isoperimetric teeb meem txhais li cas?
teeb meem Isoperimetric, hauv kev ua lej, qhov kev txiav txim siab ntawm cov duab ntawm lub dav hlau kaw qhov nkhaus uas muaj qhov ntev thiab kaw qhov siab tshaj plaws. (Thaum tsis muaj kev txwv ntawm cov duab, qhov nkhaus yog lub voj voog.)
Dab tsi yog qhov txaus ntshai?
Extremum, plural Extrema, hauv kev suav, txhua qhov taw qhia uas tus nqi ntawm qhov muaj nuj nqi loj tshaj (qhov siab tshaj) lossis tsawg tshaj plaws (yam tsawg kawg). Muaj ob qho tag nrho thiab cov txheeb ze (lossis hauv zos) maxima thiab minima.
Yuav ua li cas thiaj li mob siab?
Yuav Ua Li Cas Nrhiav Hauv Zos Extrema nrog Thawj Qhov Kev Xeem
- Nrhiav thawj qhov derivative ntawm f siv txoj cai fais fab.
- Teem cov derivative sib npaug rau xoom thiab daws rau x. x=0, –2, lossis 2. Peb x-tus nqi no yog tus lej tseem ceeb ntawm f.
