Question

4. [30 pts] Create MATLAB variables to represent the following matrices, and use them in the exercises that follow. $a = egin{bmatrix} 12 & 17 & 3 & 6 end{bmatrix}$ $b = egin{bmatrix} 5 & 8 & 3\ 1 & 2 & 3\ 2 & 4 & 6 end{bmatrix}$ $c = egin{bmatrix} 22\ 17\ 14 end{bmatrix}$ (a) Assign to the variable x1 the second row of matrix b. (b) Replace the second column of matrix b with the first three element of matrix a. (c) Assign to the Matrix d the first three elements of vector a as the first column, the values in matrix c as column 2 and the values in first and third column of matrix b as the 3rd and 4$^{th}$ column.

          4. [30 pts] Create MATLAB variables to represent the following matrices, and use them in
the exercises that follow.
$a = egin{bmatrix} 12 & 17 & 3 & 6 end{bmatrix}$
$b = egin{bmatrix} 5 & 8 & 3\ 1 & 2 & 3\ 2 & 4 & 6 end{bmatrix}$
$c = egin{bmatrix} 22\ 17\ 14 end{bmatrix}$
(a) Assign to the variable x1 the second row of matrix b.
(b) Replace the second column of matrix b with the first three element of matrix a.
(c) Assign to the Matrix d the first three elements of vector a as the first column, the values
in matrix c as column 2 and the values in first and third column of matrix b as the 3rd and
4$^{th}$ column.

4. [30 pts] Create MATLAB variables to represent the following matrices, and use them in
the exercises that follow.
a = eginbmatrix 12 17 3 6 endbmatrix
b = eginbmatrix 5 8 3 1 2 3 2 4 6 endbmatrix
c = eginbmatrix 22 17 14 endbmatrix
(a) Assign to the variable x1 the second row of matrix b.
(b) Replace the second column of matrix b with the first three element of matrix a.
(c) Assign to the Matrix d the first three elements of vector a as the first column, the values
in matrix c as column 2 and the values in first and third column of matrix b as the 3rd and
4^th column.

Added by Brandon I.

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