Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive classroom.

Google's latest animated Doodle celebrates the quadratic equation, transforming its homepage into an interactive algebra classroom worldwide.

In a [previous post](/dotphysics/2008/09/basics-making-graphs-with-kinematics-stuff-part-ii/), I talked about how to plot kinematics data with a spread sheet and how ...

This is a preview. Log in through your library . Abstract Let X:p × n be a matrix of random real variates such that the column vectors of X are independently and identically distributed as ...