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Óиö·½³Ì×飬µ«Êǽⲻ³öÀ´£¬²»»áÓÃmatlab£¬ÇëÎÊ´ó¼ÒÊÇÄÄÀï³öÎÊÌâÁË£¬ [a1,a2,b1,b2]=solve('(a1*b2)/(a2*b1)=0.132523','a1+a2=0.197','b1+b2=0.765','a1+b1=0.888','a2+b2=0.075') Warning: 5 equations in 4 variables. > In solve at 113 Warning: Explicit solution could not be found. > In solve at 140 a1 = [ empty sym ] a2 = [] b1 = [] b2 = [] µ«ÊÇÎÒÊÔÁËһϰÑÿ¸öµÈʽÓұߵÄÖµ¶¼»»³É1£¬Äܽâ³öÀ´£¬ [a1,a2,b1,b2]=solve('(a1*b2)/(a2*b1)=1','a1+a2=1','b1+b2=1','a1+b1=1','a2+b2=1') Warning: 5 equations in 4 variables. > In solve at 113 a1 = 1/2 a2 = 1/2 b1 = 1/2 b2 = 1/2 [ Last edited by nono2009 on 2009-9-22 at 07:33 ] |
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wuguocheng(½ð±Ò+1,VIP+0): ллÄãµÄ²ÎÓë, 5¸ö·½³ÌËĸö±äÁ¿, ÄÜ·ñ½â³ö, Ò²Òª¿´ÊÇ·ñÏàÈÝ,·ñÔòÒ²ÊÇÎÞ½â 9-15 16:50
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wuguocheng(½ð±Ò+1,VIP+0): ллÄãµÄ²ÎÓë, 5¸ö·½³ÌËĸö±äÁ¿, ÄÜ·ñ½â³ö, Ò²Òª¿´ÊÇ·ñÏàÈÝ,·ñÔòÒ²ÊÇÎÞ½â 9-15 16:50
| 5 equations in 4 variables |
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