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solving equations

• To: mathgroup at smc.vnet.net
• Subject: [mg105876] solving equations
• From: Maria Davis <arbiadr at gmail.com>
• Date: Tue, 22 Dec 2009 04:07:47 -0500 (EST)

My file a.txt contains these equations:

x == Csource.receiverRole.RT
Csource.receiverRole.RT == Csource.sendRole.RT + Csource.TT
Csource.sendRole.RT == A.inputPort.RT
A.inputPort.RT == A.outputPort.RT + A.PT
A.ouputPort.RT == C.receiverRole.RT
C.receiverRole.RT == C.sendRole.RT + C.TT
C.sendRole.RT == B.inputPort.RT
B.inputPort.RT == B.outputPort.RT + B.PT
B.ouputPort.RT == Csink.receiverRole.RT
Csink.receiverRole.RT == Csink.sendRole.RT + Csink.TT
Csink.sendRole.RT == DataSink.inputPort.RT
DataSink.inputPort.RT == 0
Csource.TT == 0
Csink.TT == 0
C.TT == 0.5
A.PT == 2
B.PT == 1.5

For solving these equations in x, I have used the command:
Solve[ReadList["C:\\a.txt", Expression], {x}]
However the result obtained is: {{x -> Csource.sendRole.RT}} which is
wrong.

In a second essay, I have changed variables name (B.inputPort.RT,
Csink.sendRole.RT...) by names like a,b,c...
and consequently I have obtained the desired result.

But, in my work, I need using the first format for representing
variable names.
Please can you help me?

• Follow-Ups:
  • Re: solving equations
    • From: DrMajorBob <btreat1@austin.rr.com>