function [x,y]=alonso
% ALONSO	Test data set; difficult to model.
%
%      [x,y] = alonso 
%
%  returns the data points of the Titanium Heat data which give a certain
%  property of titanium as a function of temperature and which have been
%  used extensively as test data for fitting by splines with variable knots.
% Copyright (c) 1990-94 by Carl de Boor and The MathWorks, Inc.
% $Revision: 1.5 $  $Date: 1994/01/24 23:26:47 $

x=0+[1:49]*10;
y=sin(0.025*x);