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Question: Determine the real parts of transfer function

Question:Determine the real parts of transfer function

taternuts 8 Maple
optimization
April 20 2009
0

so in the big picture, i have a transfer function and i am wanting to determine it magnitude and eventually later on do some optimization of the function but now i just want to get the real and imaginary parts of the function.  So here is my function:

>tf:=-M[tot](I*C[P]*omega+1/R[eq])/(-I*M[tot]*C[p]*omega^3-(M[tot]/R[eq]+2*Zeta*omega[n]*C[p])*omega^2+I*(omega[n]^2*M[tot]*C[p]+2*Zeta*omega[n]*M[tot]/R[eq]-Theta^2)*omega+omega[n]^2*M[tot]/R[eq])

I want to have maple collect and display the real terms and the imaginary terms but it only shows me the same equation.  Eventually I am going to have maple do sqrt((Re(tf)^2)+(Im(tf))^2, but I am unable to make maple do the first steps.

Thanks for the help!

 

 
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