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piecewise

[pees-wahyz] /ˈpisˌwaɪz/
adverb, Mathematics
1.
denoting that a function has a specified property, as smoothness or continuity, on each of a finite number of pieces into which its domain is divided:
a piecewise continuous function; a piecewise differentiable curve.
Origin
1665-1675
1665-75; piece + -wise
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for piecewise
  • More complex linear control systems may use a piecewise linear approach where more than one desired control point may be required.
  • Thus, a piecewise-linear approximation of a function of one variable is represented in these tables.

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