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clear

X=[0,0,0,0,0;0,25,25,25,0;0,50,50,50,0;0,75,75,75,0;100,100,100,100,100]

Pot=[0,0]; for i=2:4 for j=2:4

PotX(i-1,j-1)=(X(i-1,j)+X(i,j-1)+X(i+1,j)+X(i,j+1))/4 Pot(1)=abs(PotX(i-1,j-1)-X(i,j)); Pot(2)=max(Pot) end end

X(2:4,2:4)=PotX num=1;

while(max(1000.*Pot)>1) Pot(2)=0;

(i,j?1,2,......) (k?0,1,2,......) for i=2:4

for j=2:4

PotX(i-1,j-1)=(X(i-1,j)+X(i,j-1)+X(i+1,j)+X(i,j+1))/4 Pot(1)=abs(PotX(i-1,j-1)-X(i,j)); Pot(2)=max(Pot) end end

X(2:4,2:4)=PotX num=num+1 end

surf([0:4],[0:4],X); shading interp colorbar('horiz')

title('ÓÐÏÞ²î·Ö·¨¼ÆËãµçλͼ');

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X =

0 0 0 0 0 0 25 25 25 0 0 50 50 50 0 0 75 75 75 0 100 100 100 100 100

%%µÚÒ»´Îµü´ú PotX =

18.7500

Pot =

6.2500 6.2500 PotX =

7.1440 9.8230 7.1440 18.7515 25.0023 18.7515 42.8583 52.6801 42.8583

Pot =

1.0e-003 *

0.3815 0.7629

%%µÚ28´Îµü´ú X =

0 0 0 0 0 0 7.1440 9.8230 7.1440 0 0 18.7515 25.0023 18.7515 0 0 42.8583 52.6801 42.8583 0 100.0000 100.0000 100.0000 100.0000 100.0000

num =

28

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