Solve using matlab, not by hand. Matlab code only $14\mathrm{.}10$ Using the station coordinates and trilateration data given below, find:

$($a$)$ the most probable coordinates for the unknown stations and their

standard deviations.

$($b$)$ the reference standard deviation of unit weight.

$($c$)$ the adjusted distances and their residuals and standard deviations.

Distance observations