LibLip - Matlab toolbox for multivariate scattered data approximation: testf(x,y) - File Exchange

Code covered by the BSD License

from LibLip - Matlab toolbox for multivariate scattered data approximation by Gleb Beliakov
Uses Lipschitz properties of a function to interpolate or approximate it from scattered data.

testf(x,y)
function res = testf(x,y) % Sample function res = exp( -(y - x^2)^2 - (x^2+y^2)/2);