Write MATLAB scripts to find the following sums

a$)$ with for loops

b$)$ by vectorization

c$)$ Time both versions in each case and show which program runs faster. run your code at least $6$ times and obtain the average time.

$1^2+2^2+3^2+$cdots$+{}^2$

$1-\frac{1}{2}+\frac{1}{3}-\frac{1}{4}+\frac{1}{5}-\frac{1}{6}+\frac{1}{7}$dots$\frac{1}{}$

Where $$ is your candidate number.explain the code

Explain the code.