[dcb]

you might have to zip up the matlab file to attach it.

What do you want the logic of the process to accomplish? Much of the choice of optimum speed is a compromise in local traffic conditions and topogrophy, personal and public tolerance for speed limit deviation, and the slowest speed that still allows top gear usage for the current incline and efficient climbing.

Also worth noting that additional fuel is used when accelerating, the manifold pressure and fuel delivery is increased until the rpm catches up and reduces the manifold pressure to the new pressure, but at a higher consumption rate of course.