IJPAM: Volume 73, No. 2 (2011)

INTERPOLATION OF FUNCTIONS WITH
APPLICATION SOFTWARE

Lazim Kamberi$^1$, Teuta Zenku$^2$
$^1$Ivo Ribar Llolla, No. 103
Tetova 1200, MACEDONIA
$^2$Mehmed Mehmedi, No. 31
Krçova, MACEDONIA


Abstract. In this paper is given the problem of interpolation functions at general and of the interpolation function of Lagrange in particular. With some concrete examples is made illustration of finding interpolation polynomial with Lagrange method, then was introduced an application software that is used quite for solving a lot of math problems, WolframMathematica, which quickly and accurately makes finding interpolation requested polynomial.

Finally with the same application software, which has the power of programming in it, I developed a program that most clearly shows the form of getting the interpolation polynomial of Lagrange, depending on number $n$ and the points $x_{i}$ and $y_{i} $ for $i\le n$.

Received: August 23, 2011

AMS Subject Classification: functions, interpolation, polynomial interpolation, Lagrange method, WolframMathematica

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Source: International Journal of Pure and Applied Mathematics
ISSN printed version: 1311-8080
ISSN on-line version: 1314-3395
Year: 2011
Volume: 73
Issue: 2