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Â¥: Originally posted by dbb627 at 2012-02-24 08:27:34:
[y1,y2,y3]=solve('10^(x-6.77)=y1/y2','10^(2.17-x)=y3/y2','y1+y2+y3=1','y1,y2,y3')

y1 =

(1.1481536214968827515462246116628*10.0^(2.0*x))/(6760829.7539198177105899194961757*10.0^x + 1.1481536 ...

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3Â¥2012-02-27 12:27:14
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dbb627

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monitor2885(½ð±Ò+10): ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ °¡£¬ÏÈ»¯¼ò·½³Ì°¡¡£ 2012-02-24 13:35:50
xiegangmai(½ð±Ò+2, ר¼Ò¿¼ºË): ллӦÖú£¡ 2012-02-24 23:50:44
[y1,y2,y3]=solve('10^(x-6.77)=y1/y2','10^(2.17-x)=y3/y2','y1+y2+y3=1','y1,y2,y3')

y1 =

(1.1481536214968827515462246116628*10.0^(2.0*x))/(6760829.7539198177105899194961757*10.0^x + 1.1481536214968827515462246116628*10.0^(2.0*x) + 1000000000.0)


y2 =

(6760829.7539198177105899194961757*10.0^x)/(6760829.7539198177105899194961757*10.0^x + 1.1481536214968827515462246116628*10.0^(2.0*x) + 1000000000.0)


y3 =

1000000000.0/(6760829.7539198177105899194961757*10.0^x + 1.1481536214968827515462246116628*10.0^(2.0*x) + 1000000000.0)
ÖªµÀ±í´ïʽ£¬»­Í¼²»ÊÇʲôÎÊÌâ°É
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2012-02-24 08:27:34
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