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We Have Encoded Messages by Assigning the Letters of the Alphabet

question 75

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We have encoded messages by assigning the letters of the alphabet the numbers 1-26, with a blank assigned the number 27, and by using an encoding matrix A that converts the numbers to the coded message. To decode any message encoded by A, we must find the inverse of A, denoted by A-1, and multiply A-1 times the coded message. Use this code and the given encoding matrix A to find the matrix that can be used to decode the given message. ​
The code matrix is We have encoded messages by assigning the letters of the alphabet the numbers 1-26, with a blank assigned the number 27, and by using an encoding matrix A that converts the numbers to the coded message. To decode any message encoded by A, we must find the inverse of A, denoted by A<sup>-1</sup>, and multiply A<sup>-1</sup> times the coded message. Use this code and the given encoding matrix A to find the matrix that can be used to decode the given message. ​ The code matrix is   . The message is 33, 132, 214, 22, 110, 203, 34, 132, 201. A)    B)    C)    D)    E)   . The message is 33, 132, 214, 22, 110, 203, 34, 132, 201.


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