摘要
In this paper we obtain the best approximation constant of function f(x)(∈C_(2π))by the Jackson's type operator J_(π3)(f;x),i.e. ‖J_(n,3)(f,x)-f(x)‖_c≤(4-6/π)ω(f,1/n), ‖J_(n,3)(f,x)-f(x)‖_c≤(8-17/π)ω_2(f,1/n)
In this paper we obtain the best approximation constant of function f(x)(∈C_(2π))by the Jackson's type operator J_(π3)(f;x),i.e. ‖J_(n,3)(f,x)-f(x)‖_c≤(4-6/π)ω(f,1/n), ‖J_(n,3)(f,x)-f(x)‖_c≤(8-17/π)ω_2(f,1/n)
