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annkk

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clear all
clc
t=-1;
N=10;
wid=2*N+1;
h00=zeros(2*wid);
for  j=1:wid-1
h00(j,j+1)=t;
h00(wid+j,wid+j+1)=t;
end
for j=1:N
h00(2*j-1,wid+2*j-1)=t;
end
h00(2*N+1,wid+2*N+1)=t;
h01=zeros(2*wid);
for j=1:N
h01(wid+2*j,2*j)=t;
end
h00=h00+h00';
KX1=linspace(-pi,pi,100);

ENK=[];
for j=1:100
kx=KX1(j);
H01=h01*exp(i*kx);
HH=H01+H01';
HH=h00+HH;
enk=eig(HH);
ENK=[ENK,enk];
end
plot(KX1,ENK,'r');
axis([-pi,pi,-3,3])
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2Â¥2011-12-15 09:14:30
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annkk

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3Â¥2011-12-15 09:15:56
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ÒýÓûØÌû:
Â¥: Originally posted by annkk at 2011-12-15 09:15:56:
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4Â¥2011-12-15 14:30:00
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zhaozhh02

Í­³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by annkk at 2011-12-15 09:14:30:
clear all
clc
t=-1;
N=10;
wid=2*N+1;
h00=zeros(2*wid);
for  j=1:wid-1
h00(j,j+1)=t;
h00(wid+j,wid+j+1)=t;
end
for j=1:N
h00(2*j-1,wid+2*j-1)=t;
end
h00(2*N+1,wid+2*N+1)=t;
h01=zeros(2 ...

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5Â¥2011-12-15 17:50:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

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гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
Â¥: Originally posted by zhaozhh02 at 2011-12-15 17:50:41:
À÷º¦£¬Ö»¿´¸öͼ¾ÍÄܰÑÎÊÌâ½â¾öÁË£¬ÎÒ¶¼²»ÖªµÀ·½³ÌÔõôд³öÀ´µÄ£¡

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6Â¥2011-12-16 15:35:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
7Â¥2011-12-16 22:17:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

annkk

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

±±±¤¤Ú°¢Ã÷¤Ú(½ð±Ò+20): ¶àл°ïÖú ÒÔºó»¹Íû¶à¶àÖ¸½Ì~~ 2011-12-17 19:27:32
Õâ¸ö³ÌÐòÒѾ­ºÜ¼òµ¥ÁË£¬ÄãºÃºÃÃþË÷һϡ£Äã¿Ï¶¨¿ÉÒԵġ£
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8Â¥2011-12-17 00:17:38
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhaozhh02

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÒýÓûØÌû:
8Â¥: Originally posted by annkk at 2011-12-17 00:17:38:
Õâ¸ö³ÌÐòÒѾ­ºÜ¼òµ¥ÁË£¬ÄãºÃºÃÃþË÷һϡ£Äã¿Ï¶¨¿ÉÒԵġ£

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