Derinkuyu, K.Pınar, M. Ç.Camcı, A.2016-02-082016-02-0820070167-6377http://hdl.handle.net/11693/23340The purpose of this note is to give a probability bound on symmetric matrices to improve an error bound in the Approximate S-Lemma used in establishing levels of conservatism results for approximate robust counterparts.EnglishRobust optimizationS-LemmaArticle10.1016/j.orl.2007.02.0031872-7468