DIDO (software) used to solve problems in aerospace, robotics and search theory. The optimal control toolbox is named after Dido, the legendary founder and first queen of Carthage who is famous in mathematics for her remarkable solution to a constrained optimal control problem even before the invention of calculus. Invented by Ross, DIDO was first produced in 2001. The software is widely cited and has many firsts to its credit: Several different versions of DIDO are available from Elissar Global. DIDO (software) DIDO ( ) is a software product for solving general-purpose optimal control problems. It is widely used in academia, industry,
Dvin (ancient city) produced an abundance of materials, which have shed light into the Armenian culture of the 5th to the 13th centuries. Ancient Armenian literary sources almost always give the name of the ancient city of Dvin as "Dwin" or "Duin". Later authors favored the Dvin appellation, which is the most common form given in scholarly literature. The word is of Middle Iranian origin, and means hill. The ancient city of Dvin was built by Khosrov III Kotak in 335 on a site of an ancient settlement and fortress from the 3rd millennium BC. Since then, the city had been used as