Steihaug, Trond2018-06-182018-06-181981-10Steihaug, Trond. "The Conjugate Gradient Method and Trust Regions in Large Scale Optimization." (1981) <a href="https://hdl.handle.net/1911/101543">https://hdl.handle.net/1911/101543</a>.https://hdl.handle.net/1911/10154328 ppengThe Conjugate Gradient Method and Trust Regions in Large Scale OptimizationTechnical reportTR81-01