shape-preserving. One counterexample of shape-preserving approximation Authors: Pleshakov M. G., Tyshkevich S. V. Let 2s points yi=−π≤y2s<… Example. For each k∈N, k>2, and n∈N there a function f(x):=f(x;s,Y,n,k) exists, such that f∈Δ(1)(Y) and Read more about One counterexample of shape-preserving approximation
