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Table 2 The initial points corresponding the optimal points with the Himmelblau function

From: An efficient modification of the Hestenes-Stiefel nonlinear conjugate gradient method with restart property

Initial point

The optimal solution

The function value

(1,1)

(3,2)

f(3,2)=0

(−1,−1)

(3.5844,−1.8481)

f(3.5844,−1.8481)=0

(10,10)

(−3.7793,−3.2832)

f(−3.7793,−3.2832)=0

(−5,−5)

(−2.8051,3.1313)

f(−2.8051,3.1313)=0