Given

xk $=$ q

Lk

Lk

p

Lk

$$

Lk $+8\backslash$pi

$3$

where

Lk $=1+1$

$1+1$

k

k $=1,2,...,50.$

Use GNU Octave to compute

S $=$ x $$ L $=$

X

$50$

k$=1$

xkLk $.$