@article {15808, title = {Some History of the Conjugate Gradient and Lanczos Algorithms: 1948{\textendash}1976}, journal = {SIAM Review}, volume = {31}, year = {1989}, month = {1989///}, pages = {50 - 102}, abstract = {This paper gives some of the history of the conjugate gradient and Lanczos algorithms and an annotated bibliography for the period 1948-1976}, keywords = {Conjugate gradient algorithm, Lanczos algorithm, variable metric algorithms}, doi = {10.1137/1031003}, url = {http://link.aip.org/link/?SIR/31/50/1}, author = {Golub, Gene H. and O{\textquoteright}Leary, Dianne P.} }