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[ÇóÖú] ÓÃMATLABÇó½âËÄÔªÒ»´Î·½³Ì×é

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-m*n*k*p_1/(1-g)+m*n*k*p_2/(1-g)-b*s-h*m*n*k=0
-2*p_1/(1-g)-2*p_1/g+2*p_2/(1-g)-m*n*k*s/(1-g)-h/g-n*k/(1-g)=0
2*p_1/(1-g)-2*p_2/(1-g)+m*n*k*s/(1-g)+h+1+n*k/(1-g)=0
-p_1/g+p_2-m*n*k*s-n*k=0
Çóp_1,p_2,s,hµÄÖµ
ÎÒ×Ô¼ºµÄÓÃMATLABÇó½â¹ý³Ì¼°½á¹ûÈçÏ£¬µ«²»ÖªµÀÄĶù³öÁËÎÊÌ⣬ÎÒÇóµÃµÄp_1¡¢p_2¡¢s¡¢hÖµ¾¹È»·Ö±ðÊÇÎÒ¿´µ½µÄһƪÂÛÎÄÉϵÄh¡¢p_1¡¢p_2¡¢sµÄÖµ £¨·½³Ì×é¶¼ÊÇÉÏÃæÕâ¸ö£©
syms p_1 p_2 s h m n g k b;
>> [p_1,p_2,s,h]=solve('-m*n*k*p_1/(1-g)+m*n*k*p_2/(1-g)-b*s-h*m*n*k=0','-2*p_1/(1-g)-2*p_1/g+2*p_2/(1-g)-m*n*k*s/(1-g)-h/g-n*k/(1-g)=0','2*p_1/(1-g)-2*p_2/(1-g)+m*n*k*s/(1-g)+h+1+n*k/(1-g)=0','-p_1/g+p_2-m*n*k*s-n*k=0','p_1,p_2,s,h')

p_1 =

n*k*g*(2*b+m^2*n*k)/(-2*b*g+2*b-m^2*n^2*k^2+m^2*n^2*k^2*g)

p_2 =

g*(-b+b*n*k+m^2*n^2*k^2)/(-2*b+m^2*n^2*k^2)

s =

-(1+n*k)*b/(-2*b+m^2*n^2*k^2)

h =

-(1+n*k)*m*n*k/(-2*b+m^2*n^2*k^2)
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