Optimal Algorithms and the BFGS Updating Techniques for Solving Unconstrained Nonlinear Minimization Problems

Figure 9

For Example 4, showing (a) 𝛼 of OABFGS and (b) 𝛼 of OABFGS1 and (c) comparing the residuals obtained by the DFP, OABFGS, and OABFGS1.

(a)

(b)

(c)