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zkyhunter

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ÀûÓÃsolveº¯ÊýÇóµÃÁËÈçϵıí´ïʽ£¬µ«ÊÇÓÉÓÚ±í´ïʽ±È½ÏÂé·³£¬´úÈë¾ØÕóÊý¾ÝµÄʱºòÐèÒª¿¼ÂÇ¡°¾ØÕóÓë¾ØÕóµÄ³Ë³ýÔËË㡱£¬ÊÖ¶¯Ð޸ıí´ïʽ²»Ì«ÏÖʵ£¬ÄÄλ¸ßÊÖÄܰïСµÜ½â¾ö´ËÎÊÌ⣿¶àл¡£

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eq1='x+1/x=beta-e_B';
eq2='y+1/y=beta-e_A';
eq3='x+y=beta-e_0';
[x,y,beta]=solve(eq1,eq2,eq3,'x,y,beta');
beta1=char(beta(1))

-------------------------

beta1 =

1/2/(-e_0+e_A)*(-e_0*e_A+e_0^2-e_B*e_0+e_B*e_A+(e_0^2*e_A^2-2*e_0^3*e_A+4*e_0^2*e_A*e_B-2*e_0*e_A^2*e_B+e_0^4-2*e_0^3*e_B+e_B^2*e_0^2-2*e_B^2*e_0*e_A+e_B^2*e_A^2-4*e_0*e_A+4*e_0^2-4*e_B*e_0+4*e_B*e_A)^(1/2))
-----------------------------

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[ Last edited by csfn on 2008-12-29 at 20:11 ]
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