KumiswaImfundo FAQ futhi esikoleni

Umsebenzi okuqhubekayo

A umsebenzi okuqhubekayo umsebenzi kungekho "kuzuba", okuyile okuyiwona isimo elandelayo uyaneliswa: izinguquko ezincane agumenti kulandele izinguquko ezincane amagugu ehlukene umsebenzi. I igrafu umsebenzi esinjalo ijika okuqhubekayo noma bushelelezi.

Ukuqhubeka lapho kugcwala isilinganiso iphuzu iqoqo, kungenziwa kunqunywa umkhawulo imiqondo, okungukuthi, umsebenzi kufanele abe umkhawulo okwamanje, okuyinani elilingana enanini layo endaweni mkhawulo.

Lapho mibandela esikhathini esithile, uthi umsebenzi endaweni a discontinuity, ie embili yayo siphukile. In ulimi imikhawulo iphuzu izinyembezi lingachazwa ngokuthi i lokungafani ngaphasi kwetimiso sekungaphezu nge umkhawulo umsebenzi (uma ikhona).

discontinuity Iphuzu lingase esikhiphekayo, kubalulekile ukuthi ubeke umkhawulo khona imisebenzi, kodwa nakancane libe weyesi inikezwe. Kulokhu, okwamanje kungenzeka ukuba 'ayolungisa ", okungukuthi ukunweba definition phambili.
Isithombe ehluke ngokuphelele siyavela uma kumkhawulo umsebenzi ngesikhathi esinikeziwe iphuzu akusho khona. Zikhona amaphuzu amabili okungenzeka discontinuity:

  • uhlobo lokuqala - futhi kunemingcele ezilinganiselwe zombili eyodwa emaceleni, futhi ukubaluleka esisodwa noma zombili of them cha uqondane ukubaluleka umsebenzi weyesi inikezwe;
  • uhlobo lwesibili, uma kungekho eyodwa emaceleni noma zombili imikhawulo noma amagugu engapheli.

Properties of imisebenzi eqhubekayo

  • Umsebenzi etholwe ngenxa izibalo imisebenzi, futhi superposition imisebenzi eqhubekayo kwesizinda yabo futhi okuqhubekayo.
  • Kunikezwe umsebenzi okuqhubekayo okuyinto omuhle esikhathini esithile, ungathola njalo endaweni ngokwanele elincane lapho uzobuyisa uphawu yayo.
  • Ngokufanayo, uma ngentengo yaso amaphuzu amabili A no B, ngokulandelana, a futhi b, lapho i-lihlukile b ke ngoba amaphuzu Lesisemkhatsini kuzothatha zonke amanani asuka isikhawu (a; b). Kusuka lapha ungenza isiphetho esithakazelisayo: uma ukunikeza enjoloba band sinwebiswe oluhlehlela ukuze akusho Sag (uhlala ngqo), omunye amaphuzu ayo ahlale umile. A geometrically kusho ukuthi kukhona umugqa oqondile edabula iliphi iphuzu Lesisemkhatsini phakathi A no-B, okuyinto ephambana igrafu umsebenzi.

Qaphela eminye yayo okuqhubekayo (esifundeni definition yabo) imisebenzi aphansi:

  • njalo;
  • okunengqondo;
  • trigonometry.

Phakathi imiqondo amabili ayisisekelo izibalo - kuyinto eqhubekayo futhi differentiable - atehlukaniseki. Engingakusho nje bakhumbula ukuthi kwaphela imisebenzi differentiable uludinga ukuba umsebenzi okuqhubekayo.

Uma umsebenzi differentiable esikhathini esithile, kukhona okuqhubekayo. Nokho, asikho isidingo, ukuze esuselwe salo okuqhubekayo.

A umsebenzi has iqoqo esuselwe okuqhubekayo, utfolakala kuluhlobo ehlukile imisebenzi bushelelezi. Ngamanye amazwi, kuba - umsebenzi ngokuqhubekayo differentiable. Uma esuselwe has inani elilinganiselwe amaphuzu discontinuity (kuphela uhlobo lokuqala), umsebenzi efanayo ibizwa ngokuthi piecewise bushelelezi.

Omunye umqondo obaluleke kakhulu sokuhlaziya zezibalo kuyinto efanayo umsebenzi okuqhubekayo, okungukuthi, ikhono layo ukuze babe nganoma yingasiphi kwesizinda awo ngendlela asuswa okuqhubekayo. Ngakho, isakhiwo elibonwayo ku isethi amaphuzu, kunokuba yimuphi umuntu.

Uma siyilungise iphuzu, uthola akukho okunye, njengoba incazelo embili, okungukuthi, kusukela khona phambili iyunifomu kusho ukuthi lena umsebenzi okuqhubekayo. Ngokuvamile, le nokuxoxisana akulona iqiniso. Nokho, ngokuvumelana theorem Cantor, uma umsebenzi kuyinto eqhubekayo phezu icwecwe, ukuthi, ku isikhawu avaliwe ke nombala okuqhubekayo kuso.

Similar articles

 

 

 

 

Trending Now

 

 

 

 

Newest

Copyright © 2018 zu.unansea.com. Theme powered by WordPress.