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