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22 September 2007 @ 03:33 pm
 
How do you graph ellipses on the GC?
 
 
 
G: coffee_pyroxene on September 22nd, 2007 09:42 am (UTC)
For ellipse ((x-m)/a)2 + ((y-n)/b)2 = 1
where the center is (m,n)
width = 2a
height = 2b

Plot:
Y1 = n + b√(1-((x-m)/a)2)
Y2 = n - b√(1-((x-m)/a)2)

It won't look complete on the GC though... just two curves.