[pstricks] pst-plot commands

[na199 at worldonline.de]

On 28 Nov 2001, at 12:46, Jose Antonio wrote:

> Hi all:
> 
>  How can I plot in the same curve other curves. i.e. :
>                 f(x)= (1/x^12) - (1/x^6) --> Lennard-Jones potential
Put the following in the formula part of psplot
1 x 12 exp div 1 x 6 exp div sub
You might have to play around with the ysize and xsize

This does the following:
1) x power 12
2) Divide 1 by the result of 1)
3) x power 6
4) divide 1 by result of 3)
5) subtract result 4 from result 2 


>                 g(x)=(1/x^12) ---> Repulsive part h(x)=-(1/x^6) --->
>                 Attractive part
> I don't understand very the order of the command: div sub exch ... and
> finally where can I get this information.
> 
> Thanks in advance.
> jamr
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>