CDKFDemo:

Path: Common/Demos/GeneralEstimation

% Demonstrate the continuous discrete iterated Kalman Filter.
   Models a nonlinear spring.
   The state equation is
   FNLSpring:    dx/dt = - k*(x - x0)^3;
   HNLSpring:        z = alpha*x^2 + x;

   Since version 9.
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  See also CDKF., Plot2D, RK4, JD2000
  ------------------------------------------------------------------------
%
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   Copyright 1999 Princeton Satellite Systems, Inc. All rights reserved.
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Children:

Common: Estimation/CDKF
Common: Time/JD2000
Math: Integration/RK4
Common: Graphics/Plot2D

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