One of the important applications of inverse of a non-singular square matrix is in cryptography. Cryptography is an art of communication between two people by keeping the information not known to others. It is based upon two factors, namely encryption and decryption Encryption means the process of transformation of an information (plain form) into an unreadable form (coded form). On the other hand, Decryption means the transformation of the coded message back into original form. Encryption and decryption require a secret technique which is known only to the sender and the recerver. APPLICATION OF MATRIX CRYPTOGRAPHY Hint to reveal the encoding Matrix: "Your Math Lecturer Laptop" -# -#-$ By using this secret encoding matrix ) -122 23 -96 22 138 -123 19 101 -91 $ # $ Reveal the following secret message 139 -176 47 181 -182 41 10 111 -183 32 203 197 Hint to reveal the secret message: "count ALL English alphabet simultaneously with counting numbers. Then you will realized the "space" is not empty at all" Explain the process of decryption as part of your answer.

One of the important applications of inverse of a non-singular square matrix is in cryptography. Cryptography is an art of communication between two people by keeping the information not known to others. It is based upon two factors, namely encryption and decryption Encryption means the process of transformation of an information (plain form) into an unreadable form (coded form). On the other hand, Decryption means the transformation of the coded message back into original form. Encryption and decryption require a secret technique which is known only to the sender and the recerver. APPLICATION OF MATRIX CRYPTOGRAPHY Hint to reveal the encoding Matrix: "Your Math Lecturer Laptop" -# -#-$ By using this secret encoding matrix ) -122 23 -96 22 138 -123 19 101 -91 $ # $ Reveal the following secret message 139 -176 47 181 -182 41 10 111 -183 32 203 197 Hint to reveal the secret message: "count ALL English alphabet simultaneously with counting numbers. Then you will realized the "space" is not empty at all" Explain the process of decryption as part of your answer.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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