[pstricks] stem plots (Matlab-style)

[Herbert Voss]

hdiazmo at unal.edu.co wrote:

>Has anyone developed a way to generate a Matlab-style stem plot from a file of data in PSTricks? (A stem plot is a "a plot that displays as lines extending from a baseline along the x axis. The length of the lines gives the value of the function. A marker, usually a circle, indicates the point")
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something like this??

http://pstricks.de/examples.phtml#plot

Herbert