# 10.15. Glossary¶

vector:

A named collection of values, where all the values have the same type, and each value is identified by an index.

element:

One of the values in a vector. The [] operator selects elements of a vector.

index:

An integer variable or value used to indicate an element of a vector.

constructor:

A special function that creates a new object and initializes its instance variables.

deterministic:

A program that does the same thing every time it is run.

pseudorandom:

A sequence of numbers that appear to be random, but which are actually the product of a deterministic computation.

seed:

A value used to initialize a random number sequence. Using the same seed should yield the same sequence of values.

bottom-up design:

A method of program development that starts by writing small, useful functions and then assembling them into larger solutions.

histogram:

A vector of integers where each integer counts the number of values that fall into a certain range.

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