https://www.amazon.com/Numerical-Optimization-Operations-Financial-Engineering-ebook/dp/B014P9ICXI https://www.amazon.com/Numerical-Optimization-Operations-Fin.

https://www.amazon.com/Numerical-Optimization-Operations-Financial-Engineering-ebook/dp/B014P9ICXI https://www.amazon.com/Numerical-Optimization-Operations-Fin... seems to be "the" numerical optimization textbook