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AW: Creating graph with only a few data points

Hello Oliver,

draw your curve on squared paper and identify the coordinates {x, y} of your
"significant points".
Then proceed as shown below:

lst = {{1, 1}, {2, 1.5}, {2.5, 2}, {3, 3}, {4, 5}, {5, 6.5}};
itp = Interpolation[lst, InterpolationOrder -> 3];
Table[itp[x], {x, 1, 5, 0.5}]
Plot[itp[x], {x, 1, 5}]

Best regards,

Matthias Bode
Sal. Oppenheim jr. & Cie. KGaA
Koenigsberger Strasse 29
D-60487 Frankfurt am Main
Tel.: +49(0)69 71 34 53 80
Mobile: +49(0)172 6 74 95 77
Fax: +49(0)69 71 34 6380
E-mail: matthias.bode at

-----Ursprungliche Nachricht-----
Von: Oliver Tonn [mailto:nospam at]
Gesendet: Dienstag, 15. Mai 2001 06:59
An: mathgroup at
Betreff: [mg28825] Creating graph with only a view [few] data points


I'm a student at a school for technicians (electronic). I'm making my
calculations with Mathematica.
For a documentation I want to create a graph with the characteristic of a
and a transistor. I'm looking for a software, with which I only have to
some significant points of the graph, the scale, and the legend. Then the
software should create the graph.
Does anybody know a software which could do that, or is it possible to do
with Mathematica.

Greetings Oliver

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