REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...

Abstract: The attenuation characteristics of subsurface media cause amplitude attenuation and phase dispersion in seismic waves. Ignoring these effects in conventional least-squares reverse time ...

Abstract: Powered descent guidance is an enabling technology for extraterrestrial soft landing and reusable rocket recovery. Although the focus of guidance research has tilted toward trajectory ...