Ib qho taw qhia inflection yog ib qho taw tes rau ntawm daim duab ntawm ib qho kev ua haujlwm graph ntawm kev ua haujlwm Ib daim duab yog ib daim duab tsim los qhia cov lus, tshwj xeeb tshaj yog kev sib txuas ntawm ob lossis ntau qhov ntau. Koj tuaj yeem pom ib daim duab ntawm sab xis. Ib daim duab yooj yim feem ntau qhia txog kev sib raug zoo ntawm ob tus lej lossis kev ntsuas hauv daim phiaj. … Ib daim duab yog ib hom kab kos lossis daim duab. https://simple.wikipedia.org › wiki › Graph
Graph - Lus Askiv yooj yim Wikipedia, phau ntawv qhia dawb
uas qhov concavity hloov. Cov ntsiab lus ntawm inflection tuaj yeem tshwm sim qhov twg qhov thib ob derivative yog xoom. Hauv lwm lo lus, daws qhov f '=0 txhawm rau nrhiav cov ntsiab lus muaj peev xwm cuam tshuam. Txawm hais tias f '(c)=0, koj tsis tuaj yeem xaus tias muaj kev cuam tshuam ntawm x=c.
Vim li cas thiaj tsis muaj qhov cuam tshuam?
Kev piav qhia: Ib qho taw qhia ntawm kev ua txhaum yog ib qho taw qhia ntawm daim duab uas lub concavity ntawm daim duab hloov. Yog tias muaj nuj nqi tsis tau txhais ntawm qee tus nqi ntawm x, tuaj yeemtsis muaj qhov cuam tshuam. Txawm li cas los xij, concavity tuaj yeem hloov pauv thaum peb dhau mus, sab laug mus rau sab xis hla ib qho x qhov tseem ceeb uas ua haujlwm tsis tau txhais.
Yuav ua li cas koj siv inflection point hauv kab lus?
Rau tus thawj tswj hwm uas ntseeg hauv kev ua si ntev, qhov no yog qhov cuam tshuam. Qhov no yuav ua pov thawj qhov kev cuam tshuam tseem ceeb hauv keeb kwm nyiaj txiag. Qhov teeb meem nyiaj txiag tam sim no tau mus txog qhov tsis lees paub qhov cuam tshuam. Nws zoo nkaus li ib qho tseem ceeb inflection point taudhau rau duas.
Yuav ua li cas koj pom qhov taw tes ntawm inflection?
Cov ntsiab lus nkag mus yog cov ntsiab lus qhov chaw ua haujlwm hloov pauv qhov sib txawv, piv txwv li los ntawm "concave up" mus rau "concave down" lossis vice versa. … Zoo ib yam li cov ntsiab lus tseem ceeb hauv thawj qhov derivative, cov ntsiab lus inflection yuav tshwm sim thaum qhov thib ob derivative yog xoom lossis tsis tau txhais.
Yuav ua li cas yog inflection thiab piv txwv?
Inflection feem ntau yog hais txog lub suab thiab lub suab ntawm tus neeg hais lus: qhov twg lub suab nce thiab poob. Tab sis inflection kuj piav qhia txog kev tawm mus los ntawm kev kawm ib txwm lossis ncaj. Thaum koj hloov, lossis khoov, qhov kawg ntawm lub pob ncaws pob los ntawm bouncing nws ntawm lwm tus neeg, uas yog piv txwv ntawm inflection.
