FormationSayniska

Lambarada Complex. Qiimaha iyo Evolution "qiyamka khayaali ah"

Tirooyinka - waxyaalaha xisaabta aasaasiga ah loogu baahan yahay xisaabaat iyo xisaabaha kala duwan. set ee dabiiciga ah, abyoonaha, maangalka ah iyo kuwa aan buuxin qiimaha digital qeexaya hannaanka ka mid ah wax-u tiro dhab ah. Laakiin waxaa sidoo kale waa category arrin aan caadi ahayn - ". Tiro khayaali ah" tirooyinka adag qeexay René Descartes sida Oo mid ka mid ah xisaabyahannada keentay ee qarnigii siddeed iyo tobnaad Leonhard Euler soo jeediyay in ay iyaga u xil warqaddii i ka imaginare eray Faransiis ah (khayaali ah). Waa maxay tirada adag?

Sidaas yeedhay tibaaxaha foomka ah + bi, halkaas oo a iyo b yihiin tirada dhabta ah, oo i waa tilmaame digital ah ee qiimaha gaarka ah kuwaas oo laba jibaaran waa -1. Hawlgallada on tirada adag waxaa lagu sameeyaa by shuruuc la mid ah hawlaha kala duwan ee xisaabta on bolinoomiyaal. Tani category xisaabta ma matali karto natiijada kasta oo cabbirka ama xisaabinta. Waayo, kanu waa tirada dhabta ah ilaa xad ku filan. Waa maxay sababta, ka dibna, ay u baahan yihiin?

lambarada Complex fikrad ahaan xisaabta, lagama maarmaan ay sabab u tahay xaqiiqada ah in qaar ka mid ah isla'egyada la horgalaha dhabta ah waxay leeyihiin xal berrinkii lambarada "caadiga ah". Sidaa darteed, si loo ballaariyo baaxadda sinaan xalinta kacay baahida loo qabo in soo bandhigo qaybaha cusub oo xisaabeed. lambarada Complex isagoo aan la taaban karin inta badan afka baarkiisa waxaa suurto gal ah in xalliyaan isleegyo sida 2 x 1 = 0. Waxaa la sheegay in, inkastoo ay rasmi ahaan u muuqata tiro this category si firfircoon oo si ballaaran loo isticmaalo, tus, xal wax ku ool ah oo kala duwan dhibaatooyinka aragtida barti, injineernimada korontada, aerodynamics iyo hydromechanics, physics qaaradda iyo nidaamo kale sayniska.

Module iyo muran ka mid ah tirada adag loo isticmaalo in jadwalka dhismaha. Qaabkan qoraal yeedhay trigonometric. Intaa waxaa dheer, fasiraadda joomatari of lambaradan ayaa sii ballaarin baaxadda codsigooda. Waxa uu noqday suurtagal ah si ay u isticmaalaan noocyo kala duwan oo koombiyuutarka map.

Xisaabta ayaa ka yimaadeen meel fog ka tirooyinka caadiga u fudud in nidaamka isku dhafan oo adag oo ay xilkooda u gutaan. On arrintan qori kartaa tutorial ah oo kala duwan. Halkan aynu eegno qaar ka mid ah oo kaliya oo ka mid ah dhinacyada evolutionary aragtida tirada, si cad oo dhan Fikirka ka soo jeeda taariikheed iyo sayniska of this category xisaabta.

xisaabyahan Greek loo arkaa kaliya "run" tirooyinka caadiga ah, kaas oo loo isticmaali karaa si ay u xisaabiso wax. Horeba ee BC Millennium labaad. e. Masriyiintii qadiimiga ah iyo reer Baabuloon in noocyo kala duwan oo wax ku ool ah xisaabinta si firfircoon loo isticmaalaa jajab. kalee ku xigta ee muhiimka ah ee horumarinta xisaabta ahaa muuqaalka kore ee tirooyinka taban ee qadiimiga Shiinaha laba boqol oo sannadood ka hor inta aannu ka qabno. Waxay sidoo kale ayaa la isticmaalay by xisaabyahan ah qadiimiga ah ee Giriiga Diophantus, kuwaas oo xeerarka hawlaha fudud ogaa iyaga on. Iyada oo taageero ka tiro taban, waxa suurto gal noqday si uu u sharaxo isbedel kala duwan ee qiimaha, ma aha oo kaliya in diyaarada wanaagsan.

In ka AD qarnigii toddobaad, waxaa si cad la aasaasay in xididdada square tirooyin togan had iyo laba qiimeeyo - marka lagu daro wanaagsan, sidoo kale xun. From dambaysta ah soo saaro xididka square ah hababka aljabrada caadiga ah ee wakhtigaas waxa la filayay, wax aan macquul aheyn, ma jiraan wax qiimo ah x in x 2 = ─ 9. Muddo dheer ma ahan. Waxa ay ahayd oo keliya in qarnigii lix, marka waxaa jiray oo lagu firfircoon uga bartay isleegyo cubic, baahida loo qabo in soo saaro xididka square tirooyinka taban, sida in formula ee xalka ah ee erayadan ku jira ma aha oo kaliya saaraayo ah, laakiin sidoo kale xididada square.

formula Tani waa mid xoogan, haddii isla'egta uu leeyahay ugu badnaan hal xidid dhabta ah. In the case of joogitaanka ee isla'egta saddex xididdada dhabta ah ee ay daawo helay iyadoo tirada qiimaha xun. Waxaa soo baxday in wadada ay u soo kabashada waddaa iyada oo saddex xididdada aan macquul aheyn ka eegaysana ee xisaabta waqtiga qalliinka.

Wixii sharaxaad ah ee liddiga keentay ku algebraists Talyaani J. Cardano waxaa la soo jeediyay inay soo bandhigto category cusub oo nooca aan caadi ahayn oo ka mid ah tirada, kuwaas oo loo yaqaan adag. Waxaan la yaabanahay waxa uu Cardano loo arkaa iyaga aan waxtar lahayn iyo wax kasta in ay ka fogaadaan iyaga oo codsanaya in qaybaha xisaabta la soo jeediyey. Laakiin durba 1572 buug muuqday algebraist kale Talyaani Bombelli, oo waxay ahaayeen xeerarka faahfaahsan hawlgallada on tirada adag.

Inta qarnigii toddoba iyo sii waday wadahadalka nooca xisaabta ee lambarada xogta iyo awoodaha ka mid ah ay u macneeyeen joomateri. Sidoo kale si tartiib ah u horumariyo iyo in la hagaajiyo farsamada ee la shaqaynayay iyaga. Oo markii reer binu qarniyo 17aad iyo 18aad, aragtida guud ee tirada adag waxaa la abuuray. kaalin weyn in horumarinta iyo wanaajinta aragtida ah ee hawlaha doorsoomayaasha adag la soo bandhigay Ruush iyo saynisyahano Soviet. ku hawlan in ay codsiga in dhibaatooyinka aragtida ah ee barti N. I. Muskhelishvili, tirada adag Keldysh iyo Lavrentiev loo isticmaalay berrinkii hydro- iyo aerodynamics, iyo Vladimir Bogolyubov - in aragtida beerta galmada.

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