Research Article

Solving Large-Scale Unconstrained Optimization Problems with an Efficient Conjugate Gradient Class

Algorithm 1

Pseudocode of class.
Input: An initial point and some constants , , , , and .
(1)Set .
(2)While do
(3) if k = 0 then
(4)  Set .
(5) else
(6)  Obtain by (10).
(7) end
(8) Calculate by (3).
(9) Set .
(10) Set .
(11)end
Output: The solution of problem (1).