Eg: Use the explicit method. to solve

for the temperature distribution of$.$

a long, thin, rod. With a length of

$10$ an and the following values

$k^{\text{'}}=0\mathrm{.}49ca\frac{l}{s}cmc,{}_{}=2cm,t=0\mathrm{.}1cm$

At $t=0,$ the temp of the rod is zero.

La the bowndary conditions are fixed.

for all times at $T(0)=100C$ and

$T(10)=50C.$ Note that the rod is

aluminium. With $C=0\mathrm{.}2174.$ callg. C

and $l=2\mathrm{.}7\frac{g}{c}{m}^3.$ I am unable to understand this sum, please explain every single step