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Original Message (ID '165593') By Kaitlin:
In Response To 'Re: Re: COMPLICATED non-linear system of equati...' --------- Well, when I use NMinimize is tells me the function value (Eqn1^2+Eqn2^2+Eqn3^2) is not a number at c3, k2,k3 = 0.673....,0.659...,0.0861... so I am not sure if those values are the closest I can get to a solution or what. I am still unclear as to why it doesn't like the FindRoot option, but I think that my first step is to go back and make all of my constants really simple and see if I can get a better understanding of what is going on with the equations.