Full article: Some new three-term Hestenes–Stiefel conjugate gradient methods with affine combination
PDF] A Hybrid Conjugate Gradient Algorithm with Modified Secant Condition for Unconstrained Optimization as a Convex Combination of Hestenes-Stiefel and Dai-Yuan Algorithms | Semantic Scholar
Conjugate Gradient Method invented by Hestenes and Stiefel
New Homotopy Conjugate Gradient for Unconstrained Optimization using Hestenes- Stiefel and Conjugate Descent