The Ben Paul Thurston Blog

Suppose you have a simple graph like so: And what you'd like to know is whether there is a way to label the vertices with integers ...

Doge Dish All the light coming in from x=4.5 to 10 gets focused to a spot about .1 across. I figured it out with a great program geogab...

It's easy to see by plugging into x^2 + y^2=1 that these two expressions in t satisfy the relationship. Also changing the square root...

A month ago or so I defined on my blog that the delta characteristic for a graph such as: will be the solution to the set of equations of...

I noticed if you translate 2 graphs into an connectivity matrix like so: These two graphs are obviously isomorphic as I've just ...

Gauss's circle problem asks how many grid points are inside a circle of a certain radius, like here we have a circle of radius 8 and if ...

Suppose you have an irregular region with continuous boundary like this: I found that you can estimate the area pretty well by finding po...