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Re: Plotting problem !

  • To: mathgroup at smc.vnet.net
  • Subject: [mg117813] Re: Plotting problem !
  • From: "Tony Harker" <a.harker at ucl.ac.uk>
  • Date: Thu, 31 Mar 2011 06:04:25 -0500 (EST)


]-> -----Original Message-----
]-> From: babaz [mailto:mielbaz at gmail.com]
]-> Sent: 31 March 2011 09:58
]-> To: mathgroup at smc.vnet.net
]-> Subject: [mg117759] Plotting problem !
]-> 
]-> When I put Plot[4/x (Sin[(\[Pi]/8)/2])^2, {x, 0, 1000}] Mathematica
finds a
]-> negative function for some values.

No it doesn't -- you're not looking at the axes. To get the plot you were
expecting, try
Plot[4/x (Sin[(\[Pi]/8)/2])^2, {x, 0, 1000}, AxesOrigin -> {0, 0}]

  Tony




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