I have a question that I can't seem to find a straight answer to. I need to fit a circle to a collection of points that a circular in nature. I was trying to use the following elliptical least squares fit, but I can't determine what I should be minimizing.
Here's the page:
For an ellipse, I used the general conic:
I minimize using:
What would I use for a circle? Or is there a better way for a circle?