MathGroup Archive: March 2011 [00390]

[Date Index] [Thread Index] [Author Index]

Solve::ivar: xxx is not a valid variable. >>

To: mathgroup at smc.vnet.net
Subject: [mg117204] Solve::ivar: xxx is not a valid variable. >>
From: Morten Jørgensen <mail at maarten.dk>
Date: Fri, 11 Mar 2011 04:34:44 -0500 (EST)

Hi guys,
why is it that I get this message

Solve::ivar: 3777.865080388886` is not a valid variable. >>

while using numbers from previous calculations (Q, m, C, T2) in this
equation

Solve[Q == m * C * (T3 - T2), T3]


Regards, Morten

Prev by Date: Re: Mathematica 8.0.1 for Mac $Version string?

Next by Date: Re: Option Inspector Implementation

Previous by thread: Re: How do you plan to solve this problem

Next by thread: Re: Solve::ivar: xxx is not a valid variable. >>