Dido whirlwind. This legend inspired the Renaissance drama "Dido, Queen of Carthage" by Christopher Marlowe. Also from the 17th century is a ballad inspired by the relationship between Dido and Aeneas. The ballad, often printed on a broadside, is called "The Wandering Prince of Troy," and it alters the end of the relationship between the two lovers, rethinking Dido's final sentiment for Aeneas and rewriting Aeneas's visit to the underworld as Dido's choice to haunt him. The story of Dido and Aeneas remained popular throughout the post-Renaissance era and was the basis for many operas, including: William Shakespeare refers to Dido
DIDO (software) in solving for the costates in optimal control problems. DIDO generates spectrally accurate solutions whose extremality can be verified using Pontryagin's Minimum Principle. Because no knowledge of pseudospectral methods is necessary to use it, DIDO is often used as a fundamental mathematical tool for solving optimal control problems. That is, a solution obtained from DIDO is treated as a candidate solution for the application of Pontryagin's minimum principle as a necessary condition for optimality. DIDO is used world wide in academia, industry and government laboratories. Thanks to NASA, DIDO was flight-proven in 2006. On November 5, 2006, NASA used DIDO