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Re: two different x axis not linear with each other [message #13883]

Thu, 07 January 1999 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Sebastien (thuriez@postman.riken.go.jp) writes:

> Do you know how to draw two x axis on the same plot : one linear and the
> other not linear and not logarythmic with respect to the first one?
>
> For exemple the first x axis would be defined by x=findgen(100) and the
> second x axis by 10 + 100*x^2 -5.2*x^3.

I should think something like this:

x = Findgen(100)
y = 5*x
xx = 10 + 100*x^2 -5.2*x^3
Plot, x, y, XStyle=8
Axis, XAxis=1, 0, Max(y), /Save, XRange=[Min(xx), Max(xx)]
OPlot, xx, y

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting
Phone: 970-221-0438 E-Mail: davidf@dfanning.com
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