Dab tsi yog qhov adjacency matrix thiab adjacency list?

Cov txheej txheem:

Dab tsi yog qhov adjacency matrix thiab adjacency list?
Dab tsi yog qhov adjacency matrix thiab adjacency list?
Anonim

Nyob rau hauv graph theory thiab computer science, ib tug adjacency matrix yog ib tug square matrix siv los sawv cev ib tug finite graph. Cov ntsiab lus ntawm matrix qhia seb khub ntawm vertices nyob ib sab lossis tsis nyob hauv daim duab. Hauv cov xwm txheej tshwj xeeb ntawm daim duab yooj yim kawg, qhov nyob ib sab matrix yog a-matrix nrog xoom ntawm nws kab pheeb ces kaum.

daim ntawv teev npe adjacency thiab adjacency txhais li cas?

Adjacency List: Ib daim ntawv teev npe nyob ib sab yog ib array suav nrog qhov chaw nyob ntawm txhua daim ntawv txuas. … Adjacency Matrix: Adjacency Matrix yog 2D array ntawm qhov loj V x V qhov twg V yog tus naj npawb ntawm vertices hauv ib daim duab. Cia lub 2D array yog adj, ib qhov adj[j]=1 qhia tias muaj ntug ntawm vertex i mus rau vertex j.

daim ntawv teev npe nyob ze txhais li cas?

Nyob rau hauv graph theory and computer science, a adjacency list is a sau cov npe uas tsis tau txiav txim siv los sawv cev ib daim duab finite. Txhua daim ntawv teev npe tsis muaj nyob hauv ib daim ntawv teev npe nyob ib sab piav qhia cov neeg nyob ze ntawm ib qho vertex hauv daim duab.

Dab tsi yog qhov adjacency matrix thiab daim ntawv piav qhia nrog piv txwv?

Cov matrix adjacency, qee zaum kuj hu ua kev sib txuas matrix, ntawm daim ntawv sau yooj yooj yim yog a matrix nrog cov kab thiab kab sau los ntawm daim duab vertices, nrog 1 lossis 0 hauv txoj haujlwm raws li seb thiab. nyob ib sab los tsis yog. Rau ib daim duab yooj yim uas tsis muaj tus kheej-loops, qhov adjacency matrix yuav tsum muaj 0s ntawm kab pheeb ces kaum.

yog dab tsiqhov txawv nruab nrab ntawm adjacency matrix thiab adjacency list?

Ib qho chaw nyob ib sab matrix occupies

2/8 byte chaw (ib me ntsis rau qhov nkag). Ib daim ntawv teev npe nyob ib sab occupies 8e qhov chaw, qhov twg e yog tus naj npawb ntawm cov npoo (32 ntsis computer). Yog li nrog cov lej no (tseem 32-ntsis tshwj xeeb) cov ntsiab lus tawg ntawm 1/64.

Pom zoo:

Nthuav cov khoom
Adina txhais li cas?
Nyeem ntxiv

Adina txhais li cas?

Adina (eddinha) yog ib tug poj niam muab lub npe ntawm Hebrew keeb kwm. Lo lus Henplais txhais tias yog "ntse" lossis "mild". Cov neeg tseem ceeb uas muaj lub npe muaj xws li: … Adina (biblical daim duab), txiv neej muab lub npe sau eddina, teev nyob rau hauv 1 Vaj Keeb Kwm 11:

Lub siab phem txhais li cas?
Nyeem ntxiv

Lub siab phem txhais li cas?

Lub sij hawm 'Bad Bleep' tau dhau los ua cov lus nrov nrov rau TikTok hnub qub Addison Rae. Txhua yam pib thaum tus account TikTok hu ua @TheKidLaroi tau tsim ib zaj nkauj hu ua Addison Rae. … Txij thaum ntawd los, Addison tau paub hauv kev tshaj xov xwm xws li 'Bad Bleep', ib qho kev hais txog zaj nkauj uas tau tsim txog nws.

In aviation yog dab tsi?
Nyeem ntxiv

In aviation yog dab tsi?

Lub Cov Khoom Siv Ntsuas Kev Ntsuas(DME) yog lub xov tooj cua navigation pab siv los ntawm cov kws tsav dav hlau los txiav txim siab lub dav hlau qhov slant ntawm qhov chaw nres tsheb hauv av DME. … Lub LPDME kuj tseem tuaj yeem koom nrog VHF Omni-directional Range (VOR) los muab kev pabcuam VOR/DME nrog Terminal Service Volume nrog lub vojvoog ntawm 25 NM.