where $W$ is so$-$called the Lambert's $W$ function. ${?}^1$ References: FNC: Fundamentals of Numerical Computation $($Driscoll and Braun$)$ LM: Learning MATLAB, Problem Solving, and Numerical Analysis Through Examples $($Overman$)$ The notation LM $2\mathrm{.}2-5$ indicates Problem $5$ at the end of section $2\mathrm{.}2$ of the textbook by Overman. ${?}^2$ To learn about the difference between numerical and symbolic computations, please read the prologue of FNC$.($b$)$ Using the formula found in $($a$)$ and the MATLAB function lambertW provided, calculate the value of $y$ numerically for $x=\frac{1}{2},\frac{\sqrt[\phantom{2}]{2}}{2},\frac{\sqrt[\phantom{2}]{3}}{2}.$ Using lambertW: First, make sure that the file lambertW.m is saved in the same directory as your homework mlx file