sure :)
I didn't notice it wasn't the list...
Apparently I can't put more parametric than two ?
I have only half of the figure ?
scene1: gr2d(title="Taiji",
nticks=30,
color="red",
parametric(cos(t),sin(t),t,0,%pi),
color="black",
parametric(1/2-(1/2*cos(t)),1/2*sin(t),t,0,%pi))$
wxdraw(scene1)$
--------------------------------------------------
From: "Leo Butler" <l.butler at ed.ac.uk>
Sent: Tuesday, January 26, 2010 4:32 PM
To: <aishen at free.fr>
Cc: <Maxima at math.utexas.edu>
Subject: Re: [Maxima] help
>
>
> On Tue, 26 Jan 2010, aishen at free.fr wrote:
>
> <
> < Hi,
> < In sage I have done this graph, is it possible to do the same with
> wxmaxima
> < I haven't found how to manage two or few curves together
> < thanks for help
> <
> < x = var('x')
> < p1 = parametric_plot((cos(x),sin(x)),(x,0,pi),color='red')
> < p2
> =parametric_plot((1/2-(1/2*cos(x)),1/2*sin(x)),(x,0,pi),color='black')
> < p3 =parametric_plot((1/2*cos(x)-1/2,1/2*sin(x)),(x,-pi,0),color='red')
> < p4 = parametric_plot((cos(x),sin(x)),(x,-pi,0),color='black')
> < p5 =
> parametric_plot((1/2-(1/8*cos(x)),1/8*sin(x)),(x,-pi,pi),color='black')
> < p6 =
> parametric_plot(((1/8*cos(x)-1/2),1/8*sin(x)),(x,-pi,pi),color='black')
> < show(p1+p2+p3+p4+p5+p6, aspect_ratio=1,axes=false)
> <
> < http://www.sagenb.org/home/pub/1421/
> <
> <
>
> Maxima has two functions to plot 2-d, plot2d and draw. Plot2d is the
> more basic, but here is how to do it
>
> plot2d ([[parametric, cos(t), sin(t), [t,-%pi,%pi], [nticks,80]],
> [parametric, cos(t), 1-sin(t), [t,-%pi,%pi], [nticks,80]]],
> [style,[lines,1,1],[lines,3,3]],
> [x, -4/3, 4/3])$
>
> Help can be found by entering
>
> ? plot2d
>
> on the command line.
>
> With draw:
>
> scene1: gr2d(title="Ellipse+Circle",
> nticks=30,
> color="red",
> parametric(2*cos(t),5*sin(t),t,0,2*%pi),
> color="bluse",
> parametric(cos(t),sin(t),t,0,2*%pi))$
> draw(scene1)$
>
> Leo
> --
> The University of Edinburgh is a charitable body, registered in
> Scotland, with registration number SC005336.
>
>