Nyob rau hauv ib tug polynomial ntawm interpolation?

Cov txheej txheem:

Nyob rau hauv ib tug polynomial ntawm interpolation?
Nyob rau hauv ib tug polynomial ntawm interpolation?
Anonim

Polynomial interpolation yog ib txoj hauv kev kwv yees qhov tseem ceeb ntawm cov ntaub ntawv paub cov ntsiab lus. … Tus nqi ntawm tus exponent loj tshaj plaws yog hu ua degree ntawm polynomial. Yog hais tias ib pawg ntawm cov ntaub ntawv muaj n cov ntsiab lus paub, ces muaj ib tug polynomial ntawm degree n-1 los yog me dua uas hla tag nrho cov ntsiab lus.

Koj txhais li cas los ntawm polynomial interpolation?

Hauv kev txheeb xyuas tus lej, polynomial interpolation yog interpolation ntawm cov ntaub ntawv muab los ntawm polynomial ntawm qib qis tshaj plaws uas dhau los ntawm cov ntsiab lus ntawm dataset.

Yuav ua li cas koj pom qhov cuam tshuam ntawm polynomial?

Siv lub rooj. Thaum cov kev sib faib sib txawv tau suav, peb tuaj yeem suav qhov sib cuam tshuam polynomial f(x) muaj degree ≤n siv cov qauv hauv qab no. Newton tus faib qhov txawv formula f(x)=f[x0]+(x−x0)f[x1, x0]+(x−x0)(x−x1)f[x2, x1, x0]+(x−x0)(x−x1)(x−x2)f[x3, x2,x1, x0]+⋯+(x−x0)⋯(x−xn−1)f[xn, …, x0].

Puas yog interpolation polynomial tshwj xeeb?

Theorem 4.1 Uniqueness of interpolating polynomial. Muab cov ntsiab lus x0 < x1 < ··· < xn, muaj tsuas yog ib qho polynomial uas cuam tshuam cov haujlwm ntawm cov ntsiab lus ntawd. Pov thawj Cia P(x) thiab Q(x) yog ob qho kev sib cuam tshuam polynomials ntawm degree ntawm feem ntau n, rau tib pawg ntawm cov ntsiab lus x0 < x1 < ··· < xn.

Yuav ua li cas yog qhov yuam kev hauv polynomial interpolation?

n. ces lub sij hawm yuam kev raupolynomial interpolation siv cov nodes xi yog. E(x)=|f(x) −P(x)| ≤ 1 . 2n(n + 1)!

Pom zoo:

Nthuav cov khoom
Puas yog tus lej qis lossis tus lej loj?
Nyeem ntxiv

Puas yog tus lej qis lossis tus lej loj?

Ob leeg "tus ntawv loj" thiab "tus ntawv loj" yog lawm. Txawm li cas los xij, tsuas yog siv ib daim ntawv hauv koj daim ntawv sau. Raws li Associated Press Stylebook thiab Microsoft Manual of Style, sau "tus ntawv loj"

Tus qauv txiav tawm ntau npaum li cas rau xyoo 2020?
Nyeem ntxiv

Tus qauv txiav tawm ntau npaum li cas rau xyoo 2020?

2020 Tus Nqi Them Nqi Them $ 12, 400 rau ib tus neeg them se . $12,400 rau kev sib yuav tus neeg them se ua ntaub ntawv sib cais. $18,650 rau cov thawj coj ntawm tsev neeg. $24,800 rau cov niam txiv ua se ua ke. Tus qauv txiav tawm rau xyoo 2020 yog dab tsi?

Tommi makinen ua dab tsi tam sim no?
Nyeem ntxiv

Tommi makinen ua dab tsi tam sim no?

Tommi Mäkinen yuav raug xaiv los ua a Motorsport Advisor rau Toyota Motor Corporation (Toyota) txij lub Ib Hlis 2021, nrog rau lub hom phiaj ntawm txuas ntxiv txhim kho kev tsim cov tsheb zoo dua qub. Tommi Makinen yog dab tsi? Plaub-lub sijhawm ntiaj teb kev sib tw tus yeej Tommi Mäkinen yuav tawm nws txoj haujlwm ua tus thawj coj pab pawg ntawm Toyota Gazoo Racing, uas yog sib tw hauv FIA World Rally Championship, thaum kawg ntawm xyoo 2020.