Parametric plots

[John B. Thoo]

Hi.  I'm sorry if this is a FAQ.  In gnuplot, parametric plots (in 2D) 
are accomplished by, e.g.,

   gnuplot> plot [t=0:2] t**2 - t - 1, sin (2*pi*t)

but I couldn't do the same in Octave using "gset parametric" and 
"gplot":


octave:1> gset parametric
octave:2> gplot [t=0:2] t**2 - t - 1, sin (2*pi*t)
parse error:

>>> gplot [t=0:2] t**2 - t - 1, sin (2*pi*t)
                  ^

octave:2> gplot [t=0:2] "t**2 - t - 1, sin (2*pi*t)"
warning: can't make 2D parametric plot -- setting noparametric...
         line 0: undefined variable: t

octave:3>


How do I plot parametric equations in Octave?  Thanks.

---John.



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