rotation: Apply a rotation matrix to a set of points
Usage
rotation(x, theta)
Arguments
x
A matrix with 2 columns of the points to rotate
theta
The angle to apply
Value
A matrix with 2 columns of the points'new locations
}
description{
This function takes a set of points and applies a rotation matrix (e.g. will
rotate points 90 deg. if given "pi/2" as input)
}
author{
Christopher G. Watson, email{cgwatson@bu.edu}
}