@inproceedings{paperid:1021024, author = {Saman Babaie-Kafaki and Ghanbari, Reza and Nezam Mahdavi-Amiri}, title = {A modified nonlinear conjugate gradient algorithm for unconstrained optimization}, booktitle = {ICMS International Conference of Matehmatical Sciences}, year = {2009}, location = {استانبول}, keywords = {nonlinear conjugate gradient;nonlinear programming}, }