Question: (a) As discussed in Chapter 1, a very common choice for object representation is a vector of real numbers. In some cases, the entries of

(a) As discussed in Chapter 1, a very common choice for object representation is a vector of real numbers. In some cases, the entries of the vector take on a discrete set (i.e., finite number) of values. Describe a situation in which having a discrete set of values is natural.

(b) In implementing algorithms on a digital computer, inevitably we must eventually work only with discrete values. If so, why do we consider models in which the features are allowed to take on all real values?

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