An underappreciated facet of matlab that makes it mistake-resistant: by default, all parameters are passed by value. Thus, all functions are pure / referentiall

An underappreciated facet of matlab that makes it mistake-resistant: by default, all parameters are passed by value. Thus, all functions are pure / referentially transparent at their interface, even if mutation is used internally. This combination is the easiest for beginners to learn, IMO.