a$)$ Use the linspace $(a,b,n)$ command to generate $n$ equally spaced numbers between a and $b$ for the given values of $a=-5,b=5,$ and $n=25.$

$($i$)$ Use Matlab's indexing notation to zero out every odd indexed entry.

$($ii$)$ Use the stem command to plot the elements in the resulting vector versus the indices. Submit both the code and your figure output.