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Talk:Piecewise linear function

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This is an old revision of this page, as edited by Jonnat (talk | contribs) at 16:51, 1 March 2007 (←Created page with '== Definition of a linear function == A linear function ''f''(''x'') is said to be linear if and only if ''f''(''αx<sub>1</sup>''+''βx<sub>2</sup...'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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Definition of a linear function

A linear function f(x) is said to be linear if and only if f(αx1+βx2) = αf(x1) + βf(x2)

According to this definition, the function f(x) = aIx + bI in the article is not linear. Joao 16:51, 1 March 2007 (UTC)[reply]

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