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Re: plotting even function
From: |
Geraint Paul Bevan |
Subject: |
Re: plotting even function |
Date: |
Sun, 20 Mar 2005 01:20:59 +0000 |
User-agent: |
Mozilla Thunderbird 0.5 (X11/20040306) |
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John B. Thoo wrote:
| Hi. I hope that I'm not embarrassing myself by asking the following.
|
| I believe that
|
| 3 2/3 1
| y = --- (2 x) + ---
| 4 2
|
| is an even function, yet
|
| x = -1:0.04:1;
| plot (x, 0.75 * (2 .* x).^(2 / 3) + 0.5)
|
| is not symmetrical about the y-axis. What is wrong with my thinking?
|
| TIA.
| ---John.
x^(2/3) is not an even function,
octave:1> [ (+8)^(2/3) ; (-8)^(2/3) ]
ans =
~ 4.0000 + 0.0000i
~ -2.0000 + 3.4641i
so nor is the function which you are plotting.
- --
Geraint Bevan
http://homepage.ntlworld.com/geraint.bevan
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- Re: plotting even function, (continued)
- Re: plotting even function, John B. Thoo, 2005/03/20
- Re: plotting even function, John B. Thoo, 2005/03/20
- Re: plotting even function, Geraint Paul Bevan, 2005/03/20
- Re: plotting even function, Henry F. Mollet, 2005/03/20
- Re: plotting even function, Geraint Paul Bevan, 2005/03/20
- Re: plotting even function, Gunnar, 2005/03/22
Re: plotting even function, Henry F. Mollet, 2005/03/19
Re: plotting even function,
Geraint Paul Bevan <=
- Re: plotting even function, Thomas Shores, 2005/03/19
- Re: plotting even function, Thomas Shores, 2005/03/19
- Re: plotting even function, John B. Thoo, 2005/03/20
- Re: plotting even function, mavram, 2005/03/20
- Re: plotting even function, Geraint Paul Bevan, 2005/03/20
- Re: plotting even function, Mike Miller, 2005/03/20
Re: plotting even function, Thomas Shores, 2005/03/19
Re: plotting even function, Gunnar, 2005/03/22