File:Fejer's kernel for the real line, in blue.gif

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Fejer's_kernel_for_the_real_line,_in_blue.gif(731 × 473 pixels, file size: 8 KB, MIME type: image/gif)

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English: The function K(x) is Fejer's kernel for the real line and is also the even part of the extremal majorant of sgn(x). It is shown here in blue.
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Source I made this file using mathematica
Author Michael Kelly

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current17:42, 15 February 2011Thumbnail for version as of 17:42, 15 February 2011731 × 473 (8 KB)Mkelly86 (talk | contribs){{Information |Description ={{en|1=The function K(x) is Fejer's kernel for the real line and is also the even part of the extremal majorant of sgn(x). It is shown here in blue. }} |Source =I made this file using mathematica |Author =Mic

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