Triple Integrals Problem
12-24-2014, 08:27 AM
Post: #15
 Snorre Member Posts: 101 Joined: Dec 2013
RE: Triple Integrals Problem
(12-24-2014 03:59 AM)marcusnicolas1 Wrote:  I downloaded the Graph3D 2.42 version. It seems as though I can not longer plot the function of square root of -X^2 -Y^2, It gives me a box with nothing inside of it. Also, I have been trying to plot a sphere and can not do so. I know a sphere is X^2 + Y^2 +Z^2 equals a number. However I can not seem to plot that. Can anyone help me with this please? THank you.

Hello,

You're on the right path. As you've noticed a sphere can be definied by x²+y²+z²=r², so z=±√(r²-x²-y²).
In your first attempt you omitted the radius, which means you were plotting a sphere with radius r=0.
Just try again by first setting R:=10, then plotting √(R²-X²-Y²), and also -√(R²-X²-Y²).
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 Messages In This Thread Triple Integrals Problem - marcusnicolas1 - 12-12-2014, 06:14 AM RE: Triple Integrals Problem - Gilles - 12-12-2014, 11:17 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-18-2014, 09:41 PM RE: Triple Integrals Problem - Snorre - 12-18-2014, 09:53 PM RE: Triple Integrals Problem - marcusnicolas1 - 12-18-2014, 10:12 PM RE: Triple Integrals Problem - Snorre - 12-18-2014, 10:44 PM RE: Triple Integrals Problem - marcusnicolas1 - 12-19-2014, 02:29 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-19-2014, 02:30 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-19-2014, 03:06 AM RE: Triple Integrals Problem - Snorre - 12-19-2014, 09:40 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-20-2014, 01:09 AM RE: Triple Integrals Problem - Snorre - 12-20-2014, 03:53 PM RE: Triple Integrals Problem - marcusnicolas1 - 12-20-2014, 01:14 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-24-2014, 03:59 AM RE: Triple Integrals Problem - Snorre - 12-24-2014 08:27 AM RE: Triple Integrals Problem - marcusnicolas1 - 12-31-2014, 07:31 AM

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