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-2 5 -2 1 4 1 4 -7) Find the Inverse of the above message matrix which will represent the decoding matrix.

-2 5 -2 1 4 1 4 -7) Find the Inverse of the above message matrix which will represent the decoding matrix.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1(b). Cryptography is concerned with keeping communications private. Today govemments use sophisticated methods of coding and decoding messages. One type of code, which is extremely difficult to break, makes use ofa large matrix to encode a message. The receiver of the message decodes it using the inverse of the matrix. This first matrix is called the encoding matrix and its inverse is called the decoding matrix. If the following matrix written is an encoding matrix of a govemment agency's sophisticated method of encoding outgoing messages, -2 -2 1. 4 Find the Inverse of the above message matrix which will represent the decoding matrix.
Transcribed Image Text:1(b). Cryptography is concerned with keeping communications private. Today govemments use sophisticated methods of coding and decoding messages. One type of code, which is extremely difficult to break, makes use ofa large matrix to encode a message. The receiver of the message decodes it using the inverse of the matrix. This first matrix is called the encoding matrix and its inverse is called the decoding matrix. If the following matrix written is an encoding matrix of a govemment agency's sophisticated method of encoding outgoing messages, -2 -2 1. 4 Find the Inverse of the above message matrix which will represent the decoding matrix.
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