[pstricks] sqrt function

[dpstory at uakron.edu]

Looks like you are graphing the function f(x) = \sqrt{x-2}
over the interval [0,6]. This function is only defined (for real values)
for x \ge 2.

dps

On 14 Mar 2004 at 19:13, Richard J. Cattien wrote:

> Hi,
> 
> How do i plot the following function.
> 
> 	y = sqrt(x-2)
> 
> I always get an error:
> Error: /rangechek in --sqrt--
> Operand stack:
> 0.0    -2
> 
> I use:
> \psplot[plotpoints=200]{0}{6}{x 2 sub sqrt}
> 
> with add instead of sub everything works fine.
> 
> thanks for every answer!
> 
> bye,
> 	richard
> 
> -- 
> Richard Cattien,
> PGP-Public-Key: http://cattien.org/richard/keys/rc_pubkey.asc
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