Re: How invert x-axis in a plot?
- To: mathgroup at smc.vnet.net
- Subject: [mg17716] Re: How invert x-axis in a plot?
- From: phbrf at t-online.de (Peter Breitfeld)
- Date: Sun, 23 May 1999 02:25:30 -0400
- Organization: das ist ein breites Feld ...
- References: <7i35ck$bfl@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Helmuth Kristen <hkristen at cfa.harvard.edu> schrieb: > Hi there, > > I wonder how to invert the x-axis in a Mathematica plot. Inverting the > PlotRange of the axis from e.g.{-100,100} to {100,-100} does not help. > The reason I want to invert the axis is that the ordinate of > celestial coordinates, > the so-called "rectascension", increases from right to left. Helmuth, I think you have to do it manually. To plot eg. f[x_]=x^3+x-4 the way you want, you could try: Plot[f[-x],{x,-4,4},PlotRange{-10,10}, Ticks->{Table[{i,-i},{i,-4,4}],Automatic}]; Have a look how to create Tick-Mark-functions in Section 2.9.5 of the Mathematica Book. Es gruesst Peter -- =--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--=--= Peter Breitfeld, Saulgau, Germany PGP public key: 08548045