Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 2003

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: a first-time user question

  • To: mathgroup at
  • Subject: [mg39427] Re: [mg39352] a first-time user question
  • From: "German Buitrago A." <gerbual at>
  • Date: Fri, 14 Feb 2003 03:24:43 -0500 (EST)
  • References: <>
  • Sender: owner-wri-mathgroup at

As y=x^(2/3) is equivalent to y^3=x^2, you can use:

<< "Graphics`ImplicitPlot`"

ImplicitPlot[y^3 == x^2,
  {x, -1, 1}]

Germán Buitrago A.
Manizales, Colombia

----- Original Message -----
From: "Ye Hu" <huye at>
To: mathgroup at
Subject: [mg39427] [mg39352] a first-time user question

> I have a simple (supposedly) question...
> I used the following command to draw a plot, but Mathematica could not run
> properly.
> Plot[x^(2/3),{x,-1,0}]
> I know the problem is about calculating (-1)^(1/3) in mathematica.
> (-1)^(1/3) = -1,
> mathematica tries to calculate it numerically and gives complex results
> 0.5+0.8i
> How to solve this problem and restrict the solution to be only real
> Thanks very much.

  • Prev by Date: Re: Does Mathematica run on Mandrake Linux?
  • Next by Date: Re: Output for C Files
  • Previous by thread: Re: a first-time user question
  • Next by thread: Re: a first-time user question