[pstricks] Function name

[Uwe Kern]

"Herbert Voss" <LaTeX at ZEDAT.FU-Berlin.DE> schrieb am 25.11.05 11:35:06:
> 
> how do you call in english functions like the one shown in
> http://perce.de/temp/PSTricks.pdf ?
> 
> The macro has the name \psSum, but I do not really know if there
> is a better (english) name, because it is not really a sum?

step function (staircase function) = Treppenfunktion,
sometimes also called "elementary function" or "simple function";
more precise:
"function that is constant on a finite number of measurable sets"

upper sum = Obersumme
lower sum = Untersumme

Uwe

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