ÒÑÖªw,A,a,c,kÈçºÎÇó½âR1,R2,R3ÆäÖУ¬w=(1/c)*sqrt((R1+R2)/(R1+R2+R3))£¬A=(k+1)/(1+2*R1/R3-k*R1/R2)£¬a=(2*R1*R2+(R2-k*R1)*R3)/sqrt((R1+R2)*R1*R2*R3)
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clear
>> syms w A a c k R1 R2 R3,
>> [R1,R2,R3]=solve('w=(1/c)*sqrt((R1+R2)/(R1+R2+R3))','A=(k+1)/(1+2*R1/R3-k*R1/R2)','a=(2*R1*R2+(R2-k*R1)*R3)/sqrt((R1+R2)*R1*R2*R3)','R1','R2','R3')
Warning: Explicit solution could not be found.
> In solve at 169
R1 =
[ empty sym ]
R2 =
[]
R3 =
[]
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