We can encode a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning
27 to a blank space. To further encode a message, we can use an encoding matrix A to convert these numbers into new
pairs or triples of numbers. Use matrix A to encode the given message.
-Convert "I love you" from letters to numbers. Use pairs of those numbers, in order, to create $2 \times 1$ matrices, and multiply $\mathrm { A } = \left[ \begin{array} { l l } 2 & 1 \ 1 & 3 \end{array} \right]$ times those matrices to encode the message "I love you" into pairs of coded numbers.
Combine the pairs of numbers to give the encoded numerical message.

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The Answer of We can encode a message by assigning the numbers 1 - 26 to the letters a - z of the alphabet, respectively, and assigning
27 to a blank space. To further encode a message, we can use an encoding matrix A to convert these numbers into new
pairs or triples of numbers. Use matrix A to encode the given message.
-Convert "I love you" from letters to numbers. Use pairs of those numbers, in order, to create $2 \times 1$ matrices, and multiply $\mathrm { A } = \left[ \begin{array} { l l } 2 & 1 \ 1 & 3 \end{array} \right]$ times those matrices to encode the message "I love you" into pairs of coded numbers.
Combine the pairs of numbers to give the encoded numerical message.

We Can Encode a Message by Assigning the Numbers 1 2×12 \times 12×1

We Can Encode a Message by Assigning the Numbers 1 $2 \times 1$