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MathGroup Archive 2001

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Re: notation help: f(x) = (sin x)^(1/3)

  • To: mathgroup at
  • Subject: [mg29959] Re: [mg29947] notation help: f(x) = (sin x)^(1/3)
  • From: "Mr. Wizard" <gleam at>
  • Date: Fri, 20 Jul 2001 03:28:24 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

The most blatant problem is an extra pair of brackets.  Don't confuse 
brackets [] with parentheses () or curly brackets {} which all have 
different meanings to Mathematica.  Not to be harsh, but it looks to me 
like to need to read the manual.

Plot[Sin[x]^(1/3), {x, -10, 10}]

If you're looking for a different result try:

Plot[Abs[Sin[x]^(1/3)], {x, -10, 10}]
Plot[Re[Sin[x]^(1/3)], {x, -10, 10}]

Try not to send so many messages to the list.  Instead, hold off, and send 
all your questions in one message, lest you perturb someone.


>How do I plot this.  I must not be entering it correctly.  It's the
>plot of the cube root of the Sine function.
>Plot[[Sin[x]]^(1/3), {x, -10, 10}] isn't working.  Thanks.
>My email address is anti-spammed.  Remove the 2 B's after hitting email reply
>if you want to email me.
>Tim 9-23

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