Abbadi, A.; Ibáñez, M.J.; Sbibih, D. - In: Mathematics and Computers in Simulation (MATCOM) 81 (2011) 10, pp. 1936-1948
In general, for a sufficiently regular function, an expression for the quasi-interpolation error associated with discrete, differential and integral quasi-interpolants can be derived involving a term measuring how well the non-reproduced monomials are approximated. That term depends on some...