IJSRP, Volume 5, Issue 4, April 2015 Edition [ISSN 2250-3153]
Omar A. AL-Sammarraie, Mohammed Ali Bashir
The importance of numerical integration may be appreciated by noting how frequently the formulation of problems in applied analysis involves derivatives. It is then natural to anticipate that the solutions of such problems will involve integrals. For most integrals no representation in terms of elementary functions is possible, and approximation becomes necessary.