Dab tsi yog cov ntsiab lus s-curve inflection? Rau s-curves hauv kev lag luam, qhov inflection point yog qhov taw qhia raws qhov nkhaus qhov kev hloov pauv hauv kev lag luam ib puag ncig lossis kev coj ua hloov nkhaus nws tus kheej los ntawm kev nce mus rau nqes los yog lwm qhovQhov no txhais tau tias kev lag luam. kev loj hlob qeeb, thiab tej zaum yuav nres lossis txo qis.
Yuav ua li cas koj pom qhov cuam tshuam ntawm qhov nkhaus?
Ib qho taw qhia inflection yog ib qho taw qhia ntawm daim duab ntawm kev ua haujlwm ntawm qhov kev hloov pauv. Cov ntsiab lus ntawm inflection tuaj yeem tshwm sim qhov twg qhov thib ob derivative yog xoom Hauv lwm lo lus, daws f ''=0 txhawm rau nrhiav cov ntsiab lus muaj peev xwm inflection. Txawm hais tias f '(c)=0, koj tsis tuaj yeem xaus tias muaj kev cuam tshuam ntawm x=c.
Dab tsi yog qhov taw tes ntawm qhov taw tes ntawm daim duab?
Inflection point (los yog cov ntsiab lus ntawm inflection) yog cov ntsiab lus uas cov duab ntawm kev ua haujlwm hloov concavity (los ntawm ∪ mus rau ∩ los yog vice versa).
Lub ntsiab lus ntawm qhov taw tes yog dab tsi?
Ib qho taw qhia tsis txaus ntseeg yog ib qho xwm txheej uas ua rau muaj kev hloov pauv tseem ceeb hauv kev nce qib ntawm lub tuam txhab, kev lag luam, sector, kev lag luam, lossis qhov xwm txheej ntawm thaj chaw thiab tuaj yeem suav tias yog qhov hloov pauv. Tom qab ntawd qhov kev hloov pauv loj heev, nrog rau cov txiaj ntsig zoo lossis qhov tsis zoo, xav tias yuav tshwm sim.
S nkhaus ntawm kev loj hlob yog dab tsi?
S-shaped kev loj hlob nkhaus (sigmoid txoj kev loj hlob nkhaus) A qauv ntawm kev loj hlob nyob rau hauv uas, nyob rau hauv ib qho chaw tshiab, cov pej xeem ceev ntawm ib tug kab mob nce maj mam pib, nyob rau hauv ib tug zoo acceleration theem; tom qab ntawd nce nrawm mus txog qhov kev loj hlob ntawm tus lej raws li hauv J-shaped nkhaus; tab sis tom qab ntawd poob rau qhov tsis zoo …
