Mathematical Analysis

Sequences and Series

What is the range of a sequence?

The range of a sequence is merely a set that defines the sequence. The range is usually represented by the set {x1}, {x2}, {x3}, and so on; it is also written as {xn; n = 1, 2, 3, …}. For example, in the question above, the data for each day that the scientist collects from his weather experiment is the range. Another example is the range of the sequence {(-1)n}n1: It is the two-element set {-1, 1}.


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