This first edition was written for Lua 5.0. While still largely relevant for later versions, there are some differences. The fourth edition targets Lua 5.3 and is available at Amazon and other bookstores.
of Middle East Recycling, scrap generation in KSA is about 2.2-2.3 million tpy, which is not enough to cover the existing demand for scrap in the country. As a result, "due to limited availability of scrap it is difficult to increase scrap usage in
Algorithm 2 has been introduced with version 7 of MOSEK (GAMS 24.1). Benchmarks have shown that both algorithms perform very similar. While we will support algorithm 1 for existing GAMS/MOSEK customers for some time, it will not be possible to purchase this option for new GAMS/MOSEK users. They will have to use algorithm 2.