5-3 ������������������������������

MATLAB spy OiΩ[ݵ}x}DsGpAҦpG

Example 1: 05-}x}/spy01.mload west0479.mat % JGiɮ west0479.mat spy(west0479) % [ݵ}x}DsGp

bWzoӽdҤAx} west0479 ׬O 479*479AOu]t 1887 ӫDsA]x}Kץu 1887/(479*479) = 0.0082C

~A}x}SOAΩܤ@ӡuLVϡv]Undirected Graph^uFx}v]Adjacency Matrix^A ²aAYYϪ i M j Ӹ`IusAh۹Fx}b i CB j 檺Ȭ 1A LȫhsCHUϬһG

hFx}iܦG

>> A = spconvert([1 2 1; 2 3 1; 2 4 1; 3 2 1; 3 4 1; 3 5 1; 4 2 1; 4 3 1; 4 6 1; 5 3 1; 5 6 1; 6 4 1; 6 5 1]) A = @(1,2)@@@@1 @(3,2)@@@@1 @(4,2)@@@@1 @(2,3)@@@@1 @(4,3)@@@@1 @(5,3)@@@@1 @(2,4)@@@@1 @(3,4)@@@@1 @(6,4)@@@@1 @(3,5)@@@@1 @(6,5)@@@@1 @(4,6)@@@@1 @(5,6)@@@@1

]o 6 Ӹ`IyЬO (0, 1)B(1, 2)B(1, 0)B(2, 0)B(2, 2)B(3, 1)Ahڭ̥i gplot OӵeXWzLVϡG

Example 2: 05-}x}/gplot01.mA = spconvert([1 2 1; 2 3 1; 2 4 1; 3 4 1; 3 5 1; 5 6 1; 4 6 1]); xy = [0 1; 1 2; 1 0; 2 0; 2 2; 3 1]; % C@ӦCVqO@ (x, y) y gplot(A, xy, '-o') % eXLVϡ]Undirected Graph^

䤤 '-o' NHu]'-'^ζ]'o'^ӧ@ϡC

t@Ӧ쪺ҤlO Bucky yAϥ]tF 60 ӤTתŶIAC@IMLTӾFIOZAi bucky OӲͳoIFx}Aå gplot ܹϧΡAҦpG

Example 3: 05-}x}/gplot02.m[A,xy] = bucky; % A Fx}Axy y gplot(A, xy, '-o'); % eXLVϡ]Undirected Graph^ axis equal % ]w x bM y bפ@

ѤWϥiݥXABucky yNϩO@ӥѦhӤMKҧΦyC

t@ӱ`ΨӵeXHϧΪOO treeplotAڭ̥iΦOӵeX@ʹqϾǤAШUCdҡG

Example 4: 05-}x}/treePlot01.mnodes = [0 1 2 2 4 4 4 1 8 8 10 10 11 11 11 11]; treeplot(nodes)

bWzdҤAڭ̨ϥ nodes VqӥNo@ʾA䤤 node(1)=0 hNĤ@Ӹ`IO𪺮ڸ`I]Root^A node(i)=j N i Ӹ`IˬO j Ӹ`IAҦp node(5)=4 N5Ӹ`IˬO 4 Ӹ`IA̦CŪ̥iH̦סAbWzdҤ𤤡A̧ǼХXC@Ӹ`IޡCڭ̤]iHϥε{XӼХXC@Ӹ`IޡApUdҩҥܡAAйFܡH

Example 5: 05-}x}/treePlot02.mnodes = [0 1 2 2 4 4 4 1 8 8 10 10 11 11 11 11]; treeplot(nodes); h=findobj(0, 'type', 'line'); % h(1) is links; h(2) is nodes. xdata=get(h(2), 'xdata'); ydata=get(h(2), 'ydata'); for i=1:length(nodes) text(xdata(i), ydata(i), [' ', int2str(i)]); end

٦@Ӧ쪺ҤlAO NASA ]Ӫ`p^ҥDɪpeA䤤]tpyLlyҳy@ΤOAѩ󥲶i氾L{ƭȹBAҥHGŶiTƤΡAFx}Y@ӵ}x}Azib MATLAB U showdemo airfoil.m OYiͬϧΤλAbAحzC


MATLAB{]pGig