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Talk:Forward difference: Difference between revisions
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What's the forward difference of one element? --[[User:Mwn3d|Mwn3d]] 07:17, 11 January 2008 (MST)
:With regard to pure mathematics I suppose it is undefined. It is natural, however, to extend it by definition so that the forward difference of a list of one element is the empty list. That's how the J code resolves it, too. --[[User:TBH|TBH]] 07:31, 11 January 2008 (MST)
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