FNLSpring:
-------------------------------------------------------------------------------
Nonlinear estimator spring model. Used by CDKFDemo.
-------------------------------------------------------------------------------
Form:
[xDot, fData] = FNLSpring( x, t, fData )
-------------------------------------------------------------------------------
------
Inputs
------
x (1,1) State
t (1,1) Time
fData (1,1) Data structure
.k (1,1) coefficient
.x0 (1,1) nominal x
-------
Outputs
-------
xDot (:) Derivative
fData (1,1) Data structure
.k (1,1) coefficient
.x0 (1,1) nominal x
-------------------------------------------------------------------------------
Children: