filterpy/kalman/tests/test_ekf.py
def H_of(x):
    """ compute Jacobian of H matrix for state x """

    horiz_dist = x[0]
    altitude   = x[2]

    denom = sqrt(horiz_dist**2 + altitude**2)

    # dh_ddist = horiz_dist/denom
    # dh_dvel  = 0
    # dh_dalt  = altitude/denom
    return array ([[horiz_dist/denom, 0., altitude/denom]])
 compute Jacobian of H matrix for state x 
compute Jacobian of H matrix for state x
compute Jacobian of H matrix for state x
def H_of(x):
    horiz_dist = x[0]
    altitude   = x[2]
    denom = sqrt(horiz_dist**2 + altitude**2)
    return array ([[horiz_dist/denom, 0., altitude/denom]])
def H_of ( x ) : horiz_dist = x [ 0 ] altitude = x [ 2 ] denom = sqrt ( horiz_dist ** 2 + altitude ** 2 ) return array ( [ [ horiz_dist / denom , 0. , altitude / denom ] ] )
compute Jacobian of H matrix for state x
compute Jacobian of H matrix for state x
""" compute Jacobian of H matrix for state x """ # dh_ddist = horiz_dist/denom # dh_dvel  = 0 # dh_dalt  = altitude/denom
x