Abstract and Applied Analysis

Research Article

The Hybrid BFGS-CG Method in Solving Unconstrained Optimization Problems

Table 1

A list of problem functions.
Test problem -dimensionalSources
Powell badly scaled2 Mor et al. [20]
Beale2Mor et al. [20]
Biggs Exp 66Mor et al. [20]
Chebyquad4, 6Mor et al. [20]
Colville polynomial4Michalewicz [19]
Variably dimensioned4, 8Mor et al. [20]
Freudenstein and Roth2Mor et al. [20]
Goldstein price polynomial2Michalewicz [19]
Himmelblau 2Andrei [18]
Penalty 12, 4Mor et al. [20]
Extended Powell singular 4, 8Mor et al. [20]
Extended Rosenbrock2, 10, 100, 200, 500, 1000Andrei [18]
Trigonometric 6Andrei [18]
Watson4, 8Mor et al. [20]
Six-hump camel back polynomial2Michalewicz [19]
Extended shallow2, 4, 10, 100, 200, 500, 1000Andrei [18]
Extended strait2, 4, 10, 100, 200, 500, 1000Andrei [18]
Scale2Michalewicz [19]
Raydan 12, 4Andrei [18]
Raydan 22, 4Andrei [18]
Diagonal 32Andrei [18]
Cube2, 10, 100, 200Mor et al. [20]