CRYPTOGRAPHY Let's consider A B C D E F G H I J K L M N Ñ O P Q R S T V W X Y Z 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 be the coding matrix [1 1 11 A = 1 12 12 3 5. Get the inverse of matrix (decoder matrix) and use it to decode the message 52 68 171 5 7 17 30 39 99 9 13 31 52 79 205 Note: Group three by three and place them as a column vector, then multiply the inverse matrix with the column vector ANSWER

Q: Consider the matrices A = B = 2 3 (²7¹) and (-18 -1), ₁ 3 (₁1).If A - zB = Select one: O a. 5 O b. 4…

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Q: Find A of the matrix 4 = A to decode the cryptogram.. 11 21 64 112 25 50 29 49 78 136 20 36 76 127

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Q: Are the matrices A = and B = inverses of each other? -2 0 2 1 Yes No

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Q: Let A and B be invertible nn matrices. Then the inverse of ABA-¹ is Select one: O a. A-¹B-¹A O b.…

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Q: Suppose matrices M and N are the proper sizes so both products MN and NM are defined. Is the…

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Q: 42) 2. 100 2. 3. 1.1 0100 1

A: Given data÷

Q: 1. use A-1 to decode the cryptograph A  in the picture below. 2. Encode the message "TUESDAY" using…

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Q: Express the inverse of the following matrix (assuming it exists) as a matrix containing expressions…

A: Solution : Given that the matrix 118-16-1k0-2-24

Q: Q1. Determine whether the matrix is invertible modulo 26. If so, find its inverse modulo 26 and…

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Q: The message 15 16 56 7415 18 43 62 23 28 33 12 - 18 49 630 was encoded with matrix A. Decode the…

A: To decode the message encoded with matrix A, we need to perform matrix multiplication with the…

Q: You may use a software to do calculations but you have to write down the details. The correspondence…

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Q: Find the following matrix product, if it exists. 10 [8] -3-6 7 Select the correct choice below and,…

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Q: Cu Consider a linear code with generator matrix 0 1 00 G=10 100 0 1 0 0 1 Encode the message 111 011…

A: Given the generator matrix is G=111010001101100010001 and given the code is 111 011 001 101

Q: Let B and F be the following matrices. 7 -10 -3 6 -5 4 B= - 10 8 4 -1 -1 6 7 -3 F = -2 -10 -9 6 7 10…

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Q: Select ALL matrix multiplications that are valid given the following matrices: 1 2 3 2 ·B·-|-·* C =…

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Q: 1 2 1] 2a. Encode the message The British are Coming using the matrix 2 3 1 |-2 0 1 2b. Decode the…

A: Given matrix 121 231 −201 To encode the message "The British are Coming" using the above matrix. To…

Q: Let A and B be invertible n * n matrices. Then the inverse of ABA-1 is Select one: O a. ABA-1 O b.…

A: • The inverse of ABA-1 is AB-1A-1. • The option c is correct. Explanation:

Q: Evaluate the element a23 in the matrix A given by: A = where: A = BC and: a11 a12 a13 a21 a22 a23…

A: Given,

Q: 1 1 1 -9 - 2 -5 Show that A and B are inverse matrices if A = -7 -2 and B = -4 -1 -2 -2 1 -1 14 7…

A: Two matrices A and B are said to be inverse if AB=BA=I Where 'I' is identity matrix.