function x = est03_SA(SA,HR) % EST03_SA CO estimator 3: Systolic area distributed model % % In: SA vector --- beat-to-beat systolic pressure area % HR vector --- beat-to-beat heart rate % % Out: X vector --- estimated CO (uncalibrated) % % Written by James Sun (xinsun@mit.edu) on Nov 19, 2005. x = SA .* HR;