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I was trying to calculate when two ellipses of the form ((x-x0)/a)^2+((y-y0)/b)^2=1 have intersections. Most of the time I get 4th order equations. Actually I only want to know a condition IF they just touch. Any ideas on this?
After playing around I had various equations. For example the problem is equivalent to finding beta in
[tex]\Re\left((\exp(i\beta)+z)^2\right)=b[/tex]
where z is complex. Suggestions?
After playing around I had various equations. For example the problem is equivalent to finding beta in
[tex]\Re\left((\exp(i\beta)+z)^2\right)=b[/tex]
where z is complex. Suggestions?