Exercise $n^{**}1$:

$\backslash$table$[[1||,2||,3,4,5]]$

The zeros $(5,6)$ commands:

A$)$ create a matrix with $6$ rows and $5$ columns in which all elements are the numbers $0.$

B$)$ create a matrix with $6$ rows and $6$ columns in which all elements are the numbers $1.$

C$)$ create a matrix with $5$ rows and $6$ columns in which all elements are the numbers $0.$

$(2)$ The Ones $(m,n)$ commands:

A$)$ create a matrix with $n$ rows and $m$ columns in which all elements are the numbers $1$

B$)$ create a matrix with $m$ rows and $n$ columns in which all elements are the numbers $0$

C$)$ create a matrix with $m$ rows and $n$ columns in which all elements are the numbers $1$

$3$ The eye $(nn)$ commands:

A$)$ creates a square matrix with $n$ rows and $n$ columns in which the diagonal elements are equal to $1$

B$)$ creates a square matrix with $n$ rows and $n$ columns in which the diagonal elements are equal to $0$

C$)$ creates a square matrix with $n$ rows and $m$ columns in which the diagonal elements are equal to $1$

$(4)$ The matrix $A($:$,5)$ :

A$)$ Refers to the elements in all the column of rows $5.$

B$)$ Refers to the elements in all the rows of column $5.$

C$)$ Refers to the elements in all the rows between columns $m$ and $n$

$(6)$ The matrix $A($:$,5$:$6)$

A$)$ Refers to the elements in all the rows between columns $5$ and $6.$

$2$

B$)$ Refers to the elements in all the rows between columns $6$ and $5.$

C$)$ Refers to the elements in all the column $6$ of rows $5.$