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**Version:****File size:**0 KB**File name:**mulinv.m**Last update:****Platform:**Windows / Linux / Mac OS / BSD / Solaris**Language:**Matlab**Price:**Freeware**Company:**G. Levin (View more)

Specification

Multiplicative Inverse finds the multiplicative inverse over finite (Galois) field. MULINV(X,P) is a function that finds the multiplicative inverse of vector X over finite (Galois) field of order P, i.e. if Y = MULINV(X,P)then (X*Y) mod P = 1 or Y = X^(-1) over field of order P.The input parameters are vector of integers X and a scalar P which represents the field order. The output is a size(X) vector which is the multiplicative inverses of X over P.The field order P must be a prime number and all elements of X should belong to the field i.e. X < P. Note: Over any field of numbersthe multiplicative inverse of one is one and the multiplicative inverse of zero doesn't exist.Example: X = [1 2 5], P = 7.Y = MULINV(X,P) => Y = [1 4 3];The function doesn't check the format of input parameters. Requirements: ยท MATLAB Release: R14

Multiplicative Inverse is a Matlab script for Communication Tools scripts design by G. Levin.
It runs on following operating system: Windows / Linux / Mac OS / BSD / Solaris.

Windows / Linux / Mac OS / BSD / Solaris

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