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Student Support Forum: 'How to input plus or minus' topicStudent Support Forum > General > Archives > "How to input plus or minus"

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K.T.Satyajit
04/23/06 10:28am

When I try to plot a circle I am getting only half the circle.
I am using a equation y = (9-x^2)^0.5;
Plot[y,{x,-2,2}];

Mathematica does not seem to consider the neagative root.
when I type
y = -(9-x^2)^0.5;
Plot[y,{x,-2,2}];
It plots the other half !
Thats funny.
I want the full circle in one shot!

It is true with any curve which spnas 360 degree, only half appears.

Please help me.



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Subject (listing for 'How to input plus or minus')
Author Date Posted
How to input plus or minus K.T.Satyajit 04/23/06 10:28am
Re: How to input plus or minus yehuda ben-s... 04/23/06 3:19pm
Re: How to input plus or minus Yiannis 04/23/06 8:48pm
Re: How to input plus or minus yiannis 04/24/06 5:50pm
Re: How to input plus or minus Alek 04/25/06 00:33am
Re: How to input plus or minus K.T.Satyajit 04/26/06 01:36am
One more problem Satyajit K.T. 04/29/06 01:45am
Re: How to input plus or minus Mesut 05/02/06 09:17am
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