# Thread: Interpolate a 6th degree function.

1. ## Interpolate a 6th degree function.

Hey guys

Im not that good in math so I have no Idea how i could solve the following problem:

Interpolate a 6th degree function that passes through the following seven points and calculate f(3.1) accurate to at least five decimal places:
X Y
1 27
2 23
3 -3
4 -9
5 14
6 24
7 -8
It would be really nice if someone can give me a step by step tutorial

The result for this case is -5.096852025, but its useless for me if I dont know how to solve it.

Greetz

2. ## Re: Interpolate a 6th degree function.

Originally Posted by DerGeraet
Hey guys

Im not that good in math so I have no Idea how i could solve the following problem:

Interpolate a 6th degree function that passes through the following seven points and calculate f(3.1) accurate to at least five decimal places:
X Y
1 27
2 23
3 -3
4 -9
5 14
6 24
7 -8
It would be really nice if someone can give me a step by step tutorial

The result for this case is -5.096852025, but its useless for me if I dont know how to solve it.

Greetz
Lagrange polynomial - Wikipedia, the free encyclopedia

CB