Re: Solving Equations with 3 variables and many parameters
- To: mathgroup at smc.vnet.net
- Subject: [mg132382] Re: Solving Equations with 3 variables and many parameters
- From: roby <roby.nowak at gmail.com>
- Date: Sun, 2 Mar 2014 21:27:14 -0500 (EST)
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BTW
what do you want to be solved?
You already seem to have the answer for P1, P2, P3
Cheers Robert
Am Sonntag, 2. M=E4rz 2014 07:46:49 UTC+1 schrieb drascher:
> Hello,
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> I am able to get Mathematica to solve:
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> Solve[{P1=(a[1]+C*b[11]+b[12]*P2)/(2*b[11]), P2=(a[2]+C*b[22]+b[21]*P1)/(2*b[22])}, {P1, P2}]
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> but it won't solve the following (which is one more variable P3 and its equation):
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> Solve[{P1=(a[1]+C*b[11]+b[12]*P2+b[13]*P3)/(2*b[11]), P2=(a[2]+C*b[22]+b[21]*P1+b[23]*P3)/(2*b[22]), P3=(a[3]+C*b[33]+b[31]*P1+b[32]*P2)/(2*b[33])}, {P1, P2, P3}]
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> It says that it doesn't understand how to interpret the word "Solve" even though it does it for the first eqn.
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> Any help is appreciated.