Abstract
In Numerical analysis, interpolation is a manner of calculating the unknown values of a function for any
conferred value of argument within the limit of the arguments. It provides basically a concept of
estimating unknown data with the aid of relating acquainted data. The main goal of this research is to
constitute a central difference interpolation method which is derived from the combination of Gauss’s
third formula, Gauss’s Backward formula and Gauss’s forward formula. We have also demonstrated the
graphical presentations as well as comparison through all the existing interpolation formulas with our
propound method of central difference interpolation. By the comparison and graphical presentation, the
new method gives the best result with the lowest error from another existing interpolationformula.
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