This article picks up from Non-Linear Optimization using Extensions to LP and continues an exploration of what can be achieved using extensions to Linear Programming.
An anion is an ionic species having a negative charge. They are atoms that have gained electrons. Anions are one of the two types of ions. The other type is called a cation. Anions are attracted to the anode, while cations are attracted to the cathode. The concept of an anion is important in the corrosion industry because certain anions facilitate corrosion.
EINION m Welsh. Probably from the Latin name Ennianus, a derivative of Ennius (see ENNIO). It is also a modern Welsh word meaning anvil. This was the name of a 5th-century Welsh king who is considered a saint in some Christian traditions.