An iteration of the sequential quadratically constrained quadratic programming method (SQCQP) consists of minimizing a quadratic approximation of the objective function subject to quadratic ...

C. van de Panne, Andrew Whinston, The Symmetric Formulation of the Simplex Method for Quadratic Programming, Econometrica, Vol. 37, No. 3 (Aug., 1969), pp. 507-527 ...