FX:

--------------------------------------------------------------------------
   Finds the vectors
   rho   = z - h
   dh/dx = H
--------------------------------------------------------------------------
   Form:
   [rho, H, W, JL] = FX( x )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   x         State vector

   -------
   Outputs
   -------
   rho       Residual vector z - h
   H         dh/dx 
   W         The measurement weighting vector
   JL        Cost eliminated by eliminating measurements
     
--------------------------------------------------------------------------

Children:

Math: Trigonometry/DeltCirc
SAAD: SAAttDet/DHArcDX
SAAD: SAAttDet/DHCWDX
SAAD: SAAttDet/DHDADX
SAAD: SAAttDet/HArc
SAAD: SAAttDet/HCw
SAAD: SAAttDet/HDA
SAAD: SAAttDet/ZCull