Talk:Piecewise linear function: Difference between revisions

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== Definition of a linear function ==
A linear function ''f''(''x'') is said to be [[Linear_map|linear]] if and only if ''f''(''αx<sub>1</supsub>''+''βx<sub>2</supsub>'') = ''αf''(''x<sub>1</supsub>'') + ''βf''(''x<sub>2</supsub>'')
 
According to this definition, the function ''f''(''x'') = ''a<sub>I</supsub>x'' + ''b<sub>I</sub>'' in the article is not linear. [[User:Jonnat|Joao]] 16:51, 1 March 2007 (UTC)
 
: True, but nonetheless the nomenclature here is standard when used in this context. [[User:Michael Hardy|Michael Hardy]] 23:04, 1 March 2007 (UTC)