Rate this:
See more:
The function F(x) is a polynomial of degree 3.
And given the values of x and y = F(x) mod 251
it is required to reconstruct the polynomial F(x)
x is finite and has only 3 discrete values
how could we solve this using lagrange interpolation

hi
if i have used modulo function in the polynomial then how can i use lagrange interpolation
Posted 31-Dec-12 3:20am
Edited 31-Dec-12 22:02pm
v3

Rate this:

## Solution 1

Start from here and it should help you out: Matlab - Lagrange Interpolation Polynomial[^]
General info about the same: Wiki Lagrange polynomial[^]

Try out!
terasajan at 2-Jan-13 3:09am

hi
if i have used modulo function in the polynomial then how can i use lagrange interpolation
Sandeep Mewara at 2-Jan-13 4:08am

Did you go through the MATLAB mathwork's link?
terasajan at 3-Jan-13 4:17am

thank u sir
yes i did went through the links
Rate this:

## Solution 2

hi
if i have used modulo function in the polynomial then how lagrange interpolation function can be used
Richard MacCutchan at 1-Jan-13 5:23am

Do not post questions as Solutions. If you have question to ask someone who has replied then use the "Have a Question or Comment" link below their answer.

 0 Sergey Alexandrovich Kryukov 449 1 Maciej Los 430 2 OriginalGriff 320 3 CHill60 240 4 CPallini 210
 0 Sergey Alexandrovich Kryukov 10,102 1 OriginalGriff 9,495 2 Peter Leow 5,241 3 Kornfeld Eliyahu Peter 3,373 4 Maciej Los 3,076

Web03 | 2.8.150327.1 | Last Updated 1 Jan 2013