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A small phone book as a hash table. In computing, a hash table is a data structure that implements an associative array, also called a dictionary or simply map; an associative array is an abstract data type that maps keys to values. [2]
The numbers of the males, females, and right- and left-handed individuals are called marginal totals.The grand total (the total number of individuals represented in the contingency table) is the number in the bottom right corner.
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Consider an matrix A and a nonzero vector of length . If multiplying A with (denoted by ) simply scales by a factor of λ, where λ is a scalar, then is called an eigenvector of A, and λ is the corresponding eigenvalue.
Example of a gateleg table. A gateleg table is a type of furniture first introduced in England in the 16th century. The table top has a fixed section and one or two hinged leaves, which, when not in use, fold down below the fixed section to hang vertically.
Lead is a chemical element with the symbol Pb and atomic number 82, known for its high density and toxicity.
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Iron is a chemical element with symbol Fe and atomic number 26, essential for human life and widely used in various industries.