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[ÇóÖú] matlabÖн¨Á¢Ï¡Êè¾ØÕó×é²¢²Ù×÷

1.Õâ¸öÏ¡Êè¾ØÕó¹²ÓÐ9¸ö,·Ö±ð´Ó3µ½11½×,Ö»ÓнôÁÚ¶Ô½ÇÏßµÄÉÏÏÂÁ½Ð±ÏßÓÐÔªËØ,ÇëÎÊÈçºÎ
½¨Á¢;È»ºó·Ö±ðÇóÌØÕ÷ÖµÓëÌØÕ÷ÏòÁ¿;
2.³õѧmatlab,×Ô¼ºÐ´µÄ¶«Î÷²»ÖªµÀÄÄÀï²»¶Ô,´óÅ£Çó½â.

³ÌÐòϸ¶:
N=0:1:10;
%N as a vector
for k=2:10;
    A{k}=rand(k+1);
    B{k}=rand(k+1);
    C{k}=rand(k+1);
    x{k}=2:1:k+1;
    y{k}=1:1:k;
    for l=2:k+1;
        s(l)=sqrt((l+1)*(l-1));
    end
    A{k}=sparse(x{k},y{k},s);
  % C(k)=full(A(k));
    p{k}=1:1:k;
    q{k}=2:1:k+1;
    for n=2:k+1;
        r(n)=sqrt((n-1)*(n+1));
    B{k}=sparse(p{k},q{k},r);
   %D(k)=full(B(k));
    %F(k)=C(k)+D(k);
    %[V,E]=eig(F(k));
    C{k}=A{k}+B{k};
    [V,E]=eig(C(k));
end
V E

--
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LinnaAnUSTCchemistry
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
dubo: ½ð±Ò+1, »¶Ó­ÌÖÂÛ 2012-06-22 21:59:48
ÒýÓûØÌû:
3Â¥: Originally posted by °²µÄÈý at 2012-06-21 15:16:51
soga,¿ÉÊÇÎÒÔÚÒ»¿ªÊ¼¾Í°ÑAÈ·¶¨³ÉΪK+1½×µÄ·ÂÕæÁ˰¡?...

±ÈÈçÕâÒ»¾äA{k}=sparse(x{k},y{k},s);
µ±k=2ʱ
ÐèÒªx{2}£¬y{2}£¬sÒ»Ñù³¤
µ«´ËʱÄãµÄx{2},y{2}µÄ³¤¶ÈΪ2
¶øsµÄ³¤¶ÈΪ3
showmethemoney
4Â¥2012-06-21 15:42:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 5 ¸ö»Ø´ð

csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
°²µÄÈý: ½ð±Ò+1 2012-06-22 13:29:53
Ê×ÏÈ£¬x,yµÄ³¤¶ÈΪk£¬sµÄ³¤¶ÈΪk+1(s(1)Äãû¸ø£¬¾Í×Ô¶¯¸³0ÁË)£¬¶øsparseÐèÒªÈý¸öÒ»Ñù³¤
Æä´ÎA{k}ºÍC{k}µÄ´óС²»Í¬£¬Ò»¸öÊÇm*n,Ò»¸öÊÇn*m
µÚÈý,CÊÇcell£¬eigÓ¦¸ÃÓÃC{k}£¬ÇÒC{k}±ØÐëÊÇ·½Õó
showmethemoney
2Â¥2012-06-21 10:34:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

°²µÄÈý

гæ (³õÈëÎÄ̳)

¡ï
dubo: ½ð±Ò+1, »¶Ó­ÌÖÂÛ 2012-06-22 21:59:45
ÒýÓûØÌû:
2Â¥: Originally posted by csgt0 at 2012-06-21 10:34:51
Ê×ÏÈ£¬x,yµÄ³¤¶ÈΪk£¬sµÄ³¤¶ÈΪk+1(s(1)Äãû¸ø£¬¾Í×Ô¶¯¸³0ÁË)£¬¶øsparseÐèÒªÈý¸öÒ»Ñù³¤
Æä´ÎA{k}ºÍC{k}µÄ´óС²»Í¬£¬Ò»¸öÊÇm*n,Ò»¸öÊÇn*m
µÚÈý,CÊÇcell£¬eigÓ¦¸ÃÓÃC{k}£¬ÇÒC{k}±ØÐëÊÇ·½Õó

soga,¿ÉÊÇÎÒÔÚÒ»¿ªÊ¼¾Í°ÑAÈ·¶¨³ÉΪK+1½×µÄ·ÂÕæÁ˰¡?
LinnaAnUSTCchemistry
3Â¥2012-06-21 15:16:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

°²µÄÈý

гæ (³õÈëÎÄ̳)

¡ï
dubo: ½ð±Ò+1, »¶Ó­ÌÖÂÛ 2012-06-22 21:59:51
ÒýÓûØÌû:
4Â¥: Originally posted by csgt0 at 2012-06-21 15:42:33
±ÈÈçÕâÒ»¾äA{k}=sparse(x{k},y{k},s);
µ±k=2ʱ
ÐèÒªx{2}£¬y{2}£¬sÒ»Ñù³¤
µ«´ËʱÄãµÄx{2},y{2}µÄ³¤¶ÈΪ2
¶øsµÄ³¤¶ÈΪ3...

soga ,thanks
nice day!
LinnaAnUSTCchemistry
5Â¥2012-06-22 13:29:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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