Definition:Strictly Monotone/Sequence
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Definition
Let $\struct {S, \preceq}$ be a totally ordered set.
Then a sequence $\sequence {a_k}_{k \mathop \in A}$ of elements of $S$ is strictly monotone if and only if it is either strictly increasing or strictly decreasing.
Real Sequence
The above definition for sequences is usually applied to real number sequences:
Let $\sequence {x_n}$ be a sequence in $\R$.
Then $\sequence {x_n}$ is strictly monotone if and only if it is either strictly increasing or strictly decreasing.
Also known as
This can also be called strictly monotonic.
Also see
Sources
- 2014: Christopher Clapham and James Nicholson: The Concise Oxford Dictionary of Mathematics (5th ed.) ... (previous) ... (next): monotonic sequence