LibLip - Matlab toolbox for multivariate scattered data approximation: boundlow(x,dim,p) - 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.

boundlow(x,dim,p)
function res = boundlow(x,dim,p) % lower bound res = max(0,1- p *((1-x(1))+(1-x(2))));