@techreport{NA-08/15,
  title = "Using global interpolation to evaluate the Biot-Savart integral for deformable elliptical Gaussian vortex elements",
  author = "Rodrigo B. Platte, Louis F. Rossi, and Travis B. Mitchell",
  year = "2008",
  institution = "Oxford University Computing Laboratory",
  month = "October",
  number = "NA-08/15",
}
@techreport{NA-08/13,
  title = "Chebfun: A New Kind of Numerical Computing",
  author = "Rodrigo Platte and Nick Trefethen",
  year = "2008",
  institution = "Oxford University Computing Laboratory",
  month = "October",
  number = "NA-08/13",
}