05:51
Elementary Linear Algebra
Write the uncoded row matrices for the message. Then encode the message using the matrix $A$.
Message:
Row Marrix Size:
Encoding Matrix:
HELP IS COMING
$1 \times 4$
$$
A=\left[\begin{array}{rrrr}
-2 & 3 & -1 & -1 \\
-1 & 1 & 1 & 1 \\
-1 & -1 & 1 & 2 \\
3 & 1 & -2 & -4
\end{array}\right]
$$