April 2018
Intermediate to advanced
408 pages
10h 42m
English
A scalar function maps values from a domain to a range. When we look at the math.sqrt() function, as an example, we're looking at a mapping from the float value, x, to another float value, y = sqrt(x), such that
. The domain is limited to positive values. The mapping can be done via a calculation or table interpolation.
The map() function expresses a similar concept; it maps values from one collection to create another collection. It assures that the given function is used to map each individual item from the domain collection to the range collection-the ideal way to apply a built-in ...