(a) Using the correspondence 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 j k l n m s t u w x g h i o p q r v y z a b c d e f space find the numerical equivalent of the message BUY ALL AVAILABLE STOCK AT MARKET. (b) Encode the message by postmultiplying the message matrix M by A ° 1 1 0 1 0 1 1 1 1 ¢ . (c) Verify your work by decoding the encoded message in part (b).
(a) Using the correspondence 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 j k l n m s t u w x g h i o p q r v y z a b c d e f space find the numerical equivalent of the message BUY ALL AVAILABLE STOCK AT MARKET. (b) Encode the message by postmultiplying the message matrix M by A ° 1 1 0 1 0 1 1 1 1 ¢ . (c) Verify your work by decoding the encoded message in part (b).
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
(a) Using the correspondence
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
j k l n m s t u w x g h i o p q r v y z a b c d e f space
find the numerical equivalent of the message
BUY ALL AVAILABLE STOCK AT MARKET.
(b) Encode the message by postmultiplying the message
matrix M by
A °
1 1 0
1 0 1
1 1 1
¢ .
(c) Verify your work by decoding the encoded message in
part (b).
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