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MathGroup Archive 1998

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Newton-Raphson Method

  • To: mathgroup at
  • Subject: [mg14533] Newton-Raphson Method
  • From: Luke Burlovich <lburlovi at>
  • Date: Thu, 29 Oct 1998 04:33:28 -0500
  • Organization: University of Sydney
  • Sender: owner-wri-mathgroup at

I would like some help in writing a program for a flight simulation.  I
have to 
enter a control matrix and from this I must obtain graphs with a
function of 
time.  However, I am stuck with finding the equilibrium state.  I must
use the 
Newton-Raphson method on the first order differential state space
equation form.

ie x'=Ax+Bc where x is state variables

c is the control matrix

to gain the trimmed state varibles in other words I have to obtain the
and states for equilibrium steady level flight

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