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Interpolation ma kela aku: Hiʻona, ke kaʻina hana a me nā hōʻailona,

Hiki i ka polokalamu kelepona Excel ke'ae'ole e hana wikiwiki i nā helu'ana, akā, no ka ho'oholo'ana i nā hana pa'akikī. Eia kekahi la'ana, hiki ke ho'ohana'ia e hana i ka ho'ohālikelike makemakika ma muli o ka ho'onohonoho'ana i nā koina ma'amau o kahi'oihana, e like me ka'ike'ana i ke'ano waena o nā hana ma waena o ka interpolation. I Excel, no kēia kumuhana, ho'olako'ia nā mea hana like'ole, e a'o'ia e kēia'atikala.

Interpolation Na Huaolelo: He aha ka mea?

I loko o ka'ikepili helu pilikino,'o ke'ano o ka loa'a'ana o nā kumukū'ai'ike'ole o ka hana Y (X) ma kahi'ano kūikawā o nā mea i'ike mua'ia e kapa'ia i kēia'ano.

Ke interpolation kuleana pili i Y (X) hiki ke lawe mai i ka poe o kona manaʻo hoʻopiʻi kū'ē, a ma loko o ka wā mawaena [X 0, X N] wale no, e like ana na aiee o Y (X 0) a me Y (X N).

Inā X aole hui ole ia i ka [X 0, X N], e mea hiki ke hoʻohana extrapolation hana.

I ka panina hoʻomanaʻo interpolation pilikia ua koi 'ia e imi i ka He kokekau wale analytic papa φ (X), ma a ka Hawaiʻi ma ka nodal nui X au i ka ia nā loina Y (X? I) o ka palapala papaʻaina m. E. Ma hope o ke ano φ (X? I) = Y? I (, i = 0.1,2, ..., n).

Kuhi laina ma Excel

Ma ka papa hana papahana kaulana loa mai Microsoft, aia kekahi mea ho'ohana nui, PRESCASE.

E no'ono'o i ka'ikepili i waiho'ia ma ka papa ma lalo nei.

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'O ka koluma mua nā pahuhopu x, a ma ka kalani'elua i nā helu kūlike o kekahi hana line f (x). Inā makemake mākou e'ike i ke kumu no ka pane x = 28. E hana i kēia:

  • E ho'opili i kekahi pūnaewele kūlohelohe ma luna o ka pepa o ka papahana papa, kahi e hopena'ia ai ka hopena o nā hana i hana'ia, e like me C1;
  • E kaomi i ka "" fx "(" Insert function "), ma ka hema o ka laina line;
  • Ma ka puka o ka "Masters of Functions" lākou e komo i ka mahele "Mathematical";
  • E huli i ka mea ho'ohana "PRESCASE" a kaomi "OK".

Loa'a i'ekolu mau māla ma ka papa ho'onā. Ma ka papa mua e komo i ka helu o ka pane mai ka papa kuhikuhi (ma kahi hana ma'amau 28 a). No ka ho'opiha'ana i nā "Mahele i'ike'ia _ y", e kaomi ma luna o ke ki'i me ka pua'ula'ula i ka hema o ka puka like a koho i kahi mahele ma ka'ao'ao. Ma kekahi'ano,'o kēia kahi o ka pae B me nā helu kūlohelohe mai ka lā B2: B7.

Pēlā, e ho'opiha i ka papa "Nā kau i'ike'ia x x" a e kaomi i ka pihi "OK".

No laila, he 176 ke kumukū'ai o ka cell C1 i hilina'i'ia,'o ia ka hopena o ke ka'ina interpolation.

Ke ki'ina ki'i: ho'omākaukau

Ho'ohui'ia ma Excel, kahi hō'ike o kēia i hō'ike'ia ma luna,'a'ole'o ia wale nō ke ala e'ike ai i nā koina'ike'ole'ike'ole o ka hana Y (X) mai kahi'āpana'ike o nā mea i'ike mua'ia. I ke'ano, hiki ke ho'ohana'ia i kekahi'ano ki'i. Hiki ke ho'ohana'ia inā'a'ole i hō'ike'ia ka helu'oihana e like ana i ka papa i kekahi o nā hā'ina, e like me ka mea i hō'ike'ia ma lalo nei (e nānā i ka cell me ka helu B9).

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B

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F (x)

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38

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158

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'O ka hui'ana i Excel ma kēia hihia e ho'omaka me ka mea ho'opili. E hana i kēia:

  • Ma ka "Insert" i ka papa e ho'oka'awale i kahi laulā;
  • Ma ka pahu hana "Palepa" koho i ka "Graph" icon;
  • Ma ka papa inoa e hō'ike ana, e koho i kahi i kūpono no ka hopena o kahi'oihana.

Ma hope o ka hakahaka o ka pūnaewele B9, ua haki ka māka. Eia kekahi, he laina hou ka X, i pono ole, a ma ka axis horizon, ma kahi o nā loina o nā pane, ua helu'ia nā mea ma ke'ano.

Ka hui pū'ana o Excel: kahi ho'opi'i ki'i

E hana mākou i ka hana'ana o ka pakuhi. No ka hana'ana i kēia, koho i kahi laina polū māmā a holoi'ia i ke kaomi'ana i ka pihi Delete, aia ma ka papa keyboard.

A laila:

  • E ho'oku'u i ka mokulele e kau ana i ka pakuhi;
  • Ma ka papahana koho koho i ke pihi "koho i nā'ikepili ...";
  • Ma ka "Select Data Source" window ma ka'āpana'ākau, e kaomi i "Ho'ololi";
  • E kaomi i ke ki'i me ka pua'ula'ula ma ka'ākau o ka māhele "Axis Signature Range";
  • Ho'opili i ke kaha A2: A11;
  • E kaomi i ke pihi "OK";
  • Eia hou, ua wehe'ia ka puka "Select data source";
  • E kaomi i ke pihi "Nānā i hūnā'ia a nele" i ka'ao'ao hema hema;
  • Ma ka laina "Hō'ike i nā pūnaewele kūlohelohe" e ho'one'e'ia ke pihi i kahi kūlana "Line" a kaomi "OK";
  • E hō'oia i kēia mau hana ma ke'ano like.

Inā pau pono nā mea a pau, e ho'opau'ia ka ha'alē'ana, a ma ka ho'olele'ana i ka mea hō'ino ma kahi i makemake'ia o ka pakuhi hiki iā'oe ke'ike i nā helu kūpono o ka mana'o a me ka hana.

Ke ho'ohana nei i kahi hana LP kūikawā

I kēia manawa ua'ike'oe pehea e hana ai i ka interpolation ma Excel ma ka ho'ohana'ana i ke kikiki ki'i a i'ole me ke kōkua o ka mea lawelawe PRESCASE,'o ka ho'oholo'ana i nā pilikia nui no'oe'a'ole loa ia he mea nui. Akā,'a'ole'o ia wale. 'O ka papa hana papahana mai ka hā'awi'ike'ana a Microsoft i ka hiki ke loa'a kahi kūlana'ike'ole o kahi hana me ka ho'ohana'ana i ka hana ND.

Inā paha ua kūkulu'ia ka pakuhi, ua ho'onohonoho'ia nā inoa kikowa'a pololei i luna. E ho'ā'o mākou e pani i ke āpau. E hana i kēia:

  • E koho i kahi pūnaewele ma ka papa kahi e nalowale ai ka'oihana lawelawe;
  • E koho i ka "Insert function" icon;
  • Ma ka "Wikiō Hana" ma ka puka "Categories" e'ike i ka string "Full alphabetical list" (ma kekahi mau papahana o ka pūnaewele "Ke nānā'ana i nā waiwai a me nā koina");
  • Kaomi ma ka "ND" komo a kaomi i ke pihi "OK".

Ma hope o kēlā, ua'ike'ia ka helu kūpono "# N / D" ma ke B9 pūnaewele. Eia na'e, ho'opau 'ia ka ho'opau' ana i ka pakuhi.

Hiki iā'oe ke ma'alahi: mai ka papa kuhikuhi ma ka pūnaewele B9 i nā hua'ōlelo "# N / D" (me ka'ole o nā kaha puana'ī).

'O Bilinear interpolation

'O ka pōpō o nā pilikia e hiki ai ke ho'ohana i ke'ano ho'ohālike'ana ma o nā hana o kekahi'ano helu āpau. No laila, he mea kūpono ke no'ono'o i ka ho'ohana'ia'ana o ka ho'opili pālua o Excel i Excel. Hiki i nā'ōpana ke'ano like'ole. Eia kekahi la'ana: aia kahi papa ('ike i lalo).

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Pono ia e helu i ka makani makani ma kahi o 300 m i kahi ki'eki'e o 25 m.

Ho'ohui i nā mea hou i ka papa e hō'ike'ia ma ke ki'i (e nānā i lalo).

E like me 'oe ke ike, ka mea hou i ka halepaahao kiʻekiʻe a me nā kapuwaʻiʻehā ma J1 a me J2.

By aʻe sequential hakahaka "ohi" megaformulu pono e loaʻa i ka makani puʻe ma kiko'î. E hana i kēia.

  • ka hoʻopiliʻana i ke kikokikona o ka haʻilula me ka halepaahao wahi i loko o ka halepaahao J17 J19;
  • ua auou caiaiai i loko o ka haʻilula hoʻohuli i ke J15 i J15 aeea waiwai: J7 + (J8-J7) * J11 / J13;
  • E hana hou i kēia mauʻanuʻu, a hiki i ka makemake haʻilula.

E ho ohana i spline

Previous iaoia Ua loa cumbersome, no laila, i loko o kekahi mau hihia e ahoʻia spline interpolation. Kela aku I kona o Mānoa, oia ka loaa interpolation papa φ (X) e like me na nā papakuhikuhi o ka ia 'ano no kekahi mau subsets o ka loulou. Eia lawe docked Hawaiʻi φ (m) a me kona nā mea loaʻa ma luna o ka mokuna aiee o nā manaʻo hoʻopiʻi kū'ē o kela a me keia o na subsets. Ma kela aku no keia mea, he mea kūikawā oihana e like me ka hiki ke kākau macros i VBA. Naʻe, ka mea pono e hana ai i kekahi hana, no laila lākou study nui, aole e e hoohalike.

Ano, ia oe i ike pehea e kākau i ka haʻilula ma kela aku pālua interpolating pono ole, e imi i ka ike ole cia o ka laina hana ma ke kūkulu-o 'ana, a me nā mea kiʻi. E manaolana aku kakou i keia 'ike e kōkuaʻoe ma ka hoʻoponopono na mea hiki pilikia.

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