File:Extremals.gif

Summary

Description
English: The function in black is sgn(x), the red function is the extremal majorant of sgn(x) and the blue function is the extremal minorant of sgn(x), each having exponential type 2\pi
Date
Source I made this file using mathematica
Author Michael Kelly

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Category:CC-BY-3.0#Extremals.gifCategory:Self-published work
Category:Mathematical analysis
Category:CC-BY-3.0 Category:Mathematical analysis Category:Self-published work