div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentleast-squares-avf-inversion-this-highlights-that-solving-for-ac-and-aq-is-an-overdeterminedhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Least squares AVF inversionThis highlights that solving for ac and aQ is an overdetermined problem which we can solve by casting as a least-squares minimization problem Equation 2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer20220607206080d469b3ffd3543176f600html5thumbnails1jpg width=140 height=200 divdiv