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16.11: Vocabulary

  • Page ID
    18920
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    array:
    A 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 an array. The [] operator selects elements.
    index:
    An integer variable or value used to indicate an element of an array.
    reference:
    A value that indicates another value, like an array. In a state diagram, a reference appears as an arrow.
    alias:
    A variable that refers to the same object as another variable.
    traversal:
    Looping through the elements of an array (or other collection).
    search:
    A traversal pattern used to find a particular element of an array.
    reduce:
    A traversal pattern that combines the elements of an array into a single value.
    accumulator:
    A variable used to accumulate results during a traversal.
    deterministic:
    A program that does the same thing every time it is invoked.
    nondeterministic:
    A program that always behaves differently, even when run multiple times with the same input.
    pseudorandom:
    A sequence of numbers that appear to be random, but which are actually the product of a deterministic computation.
    histogram:
    An array of integers where each integer counts the number of values that fall into a certain range.
    enhanced for loop:
    An alternative syntax for traversing the elements (values) of an array.

    16.11: Vocabulary is shared under a CC BY-NC-SA 3.0 license and was authored, remixed, and/or curated by Allen B. Downey (Green Tea Press) .

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