function [u,v] = circlefit;

% Fit a circle to points in the plane.

 u = [ -3.9265307e+00
  -3.1716160e+00
  -1.6115988e+00
  -2.6679398e+00
  -1.7299714e+00
  -2.2185018e+00
  -2.0618500e+00
  -1.4774499e+00
  -3.2095408e+00
  -2.0139385e+00
  -2.0965393e+00
  -2.8414848e+00
  -3.5516322e+00
  -2.3325005e+00
  -1.6889345e+00
  -1.4937155e+00
  -1.3103945e+00
  -1.3082423e+00
  -1.5221371e+00
  -1.8621796e+00
  -2.8784185e+00
  -3.3058351e+00
  -2.9418136e+00
  -3.5689305e+00
  -3.2715656e+00
  -1.8167830e+00
  -2.6160985e+00
  -3.6369299e+00
  -3.6094960e+00
  -3.8213899e+00
  -3.5639197e+00
  -2.9667150e+00
  -1.9473222e+00
  -3.0470691e+00
  -2.8955875e+00
  -3.2029692e+00
  -2.2688964e+00
  -2.3212990e+00
  -1.1585153e+00
  -1.8993455e+00
  -3.5771792e+00
  -2.6473229e+00
  -1.4699478e+00
  -3.7978927e+00
  -2.0968345e+00
  -4.0118440e+00
  -2.2415905e+00
  -1.3737454e+00
  -2.0935937e+00
  -1.4260492e+00 ];
v = [ 5.7992251e+00
   7.3130620e+00
   7.5592434e+00
   7.6911348e+00
   5.5113079e+00
   7.7442101e+00
   7.7091849e+00
   6.0549104e+00
   7.5170875e+00
   7.6045473e+00
   5.1354212e+00
   5.0671844e+00
   7.3910732e+00
   7.6949226e+00
   5.3469286e+00
   7.3473664e+00
   6.8715471e+00
   6.7842012e+00
   5.7283630e+00
   7.7633148e+00
   7.7677261e+00
   5.4778857e+00
   5.0690285e+00
   5.5246190e+00
   7.6772318e+00
   5.3181407e+00
   7.6148680e+00
   7.3524730e+00
   6.0303455e+00
   5.8476992e+00
   5.8479253e+00
   5.3237261e+00
   5.1703804e+00
   5.4245981e+00
   7.7991795e+00
   5.5734007e+00
   7.8705366e+00
   5.1617927e+00
   6.1579013e+00
   5.4067639e+00
   7.2445803e+00
   7.6805233e+00
   6.1180277e+00
   7.3691475e+00
   7.6463880e+00
   6.1479510e+00
   7.7414349e+00
   7.2054473e+00
   5.2385698e+00
   5.8594283e+00 ];
