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bio website paul-abbott.blogspot.com.au
location Perth, Australia
age 53
visits member for 2 years, 1 month
seen Oct 15 at 1:07

Oct
6
comment Fitting ellipse to 5 given points on the plane
See also the demonstration Five Points Determine a Conic Section. An interesting related problem is that of Small Lattice Ellipses.
Apr
2
comment How does Mathematica understand branchcuts of the complex logarithm?
The paper Can your computer do complex analysis? is also relevant to this discussion.
Feb
19
comment Finding the intersection of a curve with an interpolation function
The RootSearch package <library.wolfram.com/infocenter/MathSource/4482/>; by Ted Ersek returns all the roots over a specified range as a list of replacement rules This package .A RootsInRange function was presented in "Finding Roots in an Interval" in The Mathematica Journal 7(2), 1998: should be sufficient: