The order of convergence of an optimal quadrature formula with derivative in the space $W_2^{(2,1)}$

Abdullo R. Hayotov, Rashidjon G. Rasulov

The present work is devoted to extension of the trapezoidal rule in the space $W_2^{(2,1)}$. The optimal quadrature formula is obtained by minimizing the error of the formula by co…