pro$1.$ When n varies from $3$ to $50,$ TDMA methods are used to determine the displacement of x$1$ in equilibrium to find n versus x$1$ and graph it$.$ Using process C$++$

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I got the c$++$ code for question $1.$ However, I ran the c$++$ code, but an error occurred. Running the c$++$ code provided causes about $35$ errors. I want to check and get the correct c$++$ code. For your information, the c$++$ program I use is Visual Studio. $($Please refer to the picture below$)$

Link to the answer I received : https:$//$www$.$chegg.com$/$homework$-$help$/$questions$-$and$-$answers$/$pro$1-$n$-$varies$-3-50-$tdma$-$methods$-$used$-$determine$-$displacement$-$x$1-$equilibrium$-$find$-$n$-$versus$-$x$-$q$180882356$

The c$++$ code I received:

#include

#include

#include

void TDMA$($const std::vector& a$,$ const std::vector& b$,$ const std::vector& c$,$ const std::vector$ d$,$std::vector&x$)\{$

size$\_$t n$=$b$.$size$()$;

std::vector c$\_$star$($n$,0\mathrm{.}0)$;

std::vector d$\_$star$($n$,0\mathrm{.}0)$;

$//$Modify the coefficients

c$\_$star$[0]=$c$[0]/$b$[0]$;

d$\_$star$[0]=$d$[0]/$b$[0]$;

for $($size$\_$t i$=1$; i$0)\{$

x$[$i$]=$d$\_$star$[$i$]-$c$\_$star$[$i$]*$x$[$i$+1]$;

$\}$

$\}$

int main$()\{$

std::ofstream outfile$("$results$.$txt$")$;

for $($size$\_$t n$=3$l n$<=50$;$++$n$)$

$\{$

double k$\_$n$=50+2*$n;

double m$=2+0\mathrm{.}05*$n;

std::vector a$($n$-1,-$k$\_$n$)$;

std::vector b$($n$,2*$k$\_$n$+$m$)$;

std::vector c$($n$-1,-$k$\_$n$)$;

std::vector d$($n$,0\mathrm{.}0)$;

double F$=1\mathrm{.}0$;

d$[0]=$F;

std::vector x$($n$,0\mathrm{.}0)$;

TDMA$($a$,$b$,$c$,$d$,$x$)$;

std::cout$<<"$n$="<$