Lagrange Interpolation and Numerical Integration Application on Error Function

4 LAGRANGE INTERPOLATION AND NUMERICAL INTEGRATION APPLICATION ON ERROR FUNCTION 

Quantum Nanochemistry-Volume I Quantum Theory and Observability 

In next we will consider the case where the data points are chosen as a net with equidistant nodes, with / -the net step  

With the help of this form the munerical integrations for smooth functions may be undertaken by the approximation  

With the above equidistant Lagrange formula, the integral approximation explicitly casts in the so-called Newton-Cdtes numerical integration formula  

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