Ellipsoidal calculus is a method for solving problems in control and estimation theory having unknown but bounded errors in terms of sets of approximating ellipsoidal-value functions. Ellipsoidal calculus has been especially useful in the study of Linear Programming.

**References**

Kurzhanski, A. B. and Vályi, I. *Ellipsoidal Calculus for Estimation and Control.* Boston, MA: Birkhäuser, 1996.

© 1996-9

1999-05-25