Koj piav qhia txog qhov nkhaus ntawm daim duab li cas?
Koj piav qhia txog qhov nkhaus ntawm daim duab li cas?

Video: Koj piav qhia txog qhov nkhaus ntawm daim duab li cas?

Video: Koj piav qhia txog qhov nkhaus ntawm daim duab li cas?
Video: nplej siav siav lawm os nkauj hmoob npawg lem +paj nyiag lauj 2021 2024, Kaum ib hlis
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Ib txoj kab ncaj nraim yuav qhia txog qhov tsis tu ncua ntawm cov tshuaj tiv thaiv, thaum a nkhaus qhia txog kev hloov pauv ntawm tus nqi (lossis nrawm) ntawm qhov kev tshwm sim dhau sijhawm. Yog ib txoj kab ncaj los yog nkhaus flattens rau hauv kab kab rov tav, uas qhia tias tsis muaj kev hloov pauv ntxiv ntawm tus nqi ntawm cov tshuaj tiv thaiv los ntawm qee qib.

Tom qab ntawd, koj yuav piav qhia li cas ntawm cov duab nkhaus ntawm daim duab?

Thiab, cov puab piav txog hom daim duab . Plaub txoj hauv kev piav txog lub cev yog seb nws yog symmetrical, pes tsawg peaks nws muaj, yog hais tias nws yog skewed rau sab laug los yog sab xis, thiab seb nws yog uniform. A daim duab nrog ib lub ncov yog hu ua unimodal. Ib lub ncov tshaj ntawm qhov chaw hu ua tswb-puab.

Tsis tas li ntawd, koj piav qhia txog kev sib raug zoo ntawm daim duab li cas? Lub sij hawm formal mus piav ib txoj kab ncaj nraim daim duab yog linear, seb nws mus los ntawm lub hauv paus chiv keeb, thiab cov kev sib raug zoo nruab nrab ntawm ob qhov sib txawv yog hu ua linear kev sib raug zoo . Ib yam li ntawd, cov kev sib raug zoo qhia los ntawm ib tug nkhaus daim duab hu ua non-linear.

Tom qab ntawd, ib tug kuj yuav nug, koj yuav piav qhia txog qhov nkhaus li cas?

Hauv lej, a nkhaus (tseem hu ua a nkhaus kab hauv cov ntawv qub) yog ib yam khoom zoo ib yam li kab uas tsis tas yuav ncaj. Intuitively, ib nkhaus tej zaum yuav xav li tus kab laug sab laug los ntawm ib tug txav taw tes.

Dab tsi yog txoj kab nkhaus ntawm daim duab hu ua?

On ib daim duab , cov nqi no tsim ib nkhaus , U-shaped kab npe ib parabola. Tag nrho cov kev ua haujlwm quadratic tsim ib qho parabola ntawm a daim duab.

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