i am designing a 500m pipeline, but i'm facing a problem with my code, it can't seem to plot a straiht line graph. i know it's a bit long but this is the only way to post the question. i have a lot of columns due to the range of velocities used.

clear,clc,clf

format long

Q=0.03;

rouh=847;

g=9.81;

Gamma=(rouh.*g);

Zs=0;

Ze=0;

L=500;

Ks=(6*10.^-5);

viscosity=(1.1*10.^-6);

V=1.34:0.5:4.5

for I=1

D=sqrt(((4.*Q))./(V.*pi))

end

Re=(V.*D./viscosity);

Er=(1.*10.^-8);

Fo=0.01;

for I=0:1:10^6;

Fn=(1./(-4.*log10((Ks./(3.71.*D))+((1.26)./(Re.*sqrt(Fo)))))).^2;

E=abs((Fn-Fo)/Fn);

if E<=Er;

display(Fn),display(E),break,

end

if E>Er;

Fo=Fn;

end

end

Hloss=((Fn.*L.*Q.^2)./(12.*D.^5))

Hpump=Hloss

%calculating Hloss every 100M

for HLC=(1:100:500);

r0=HLC

HlossN=((Fn.*HLC.*Q.^2)./(12.*D.^5))

TEL=(Hpump-HlossN+Zs)

r1 = TEL(:,1)

HGL=(TEL-((V.^2)./2.*g))

r2 = HGL(:,1)

plot(r0,r1,'-or')

hold on

plot(r0,r2,'-om')

end

[madhan ravi]

Duplicate https://in.mathworks.com/matlabcentral/answers/434557-i-am-designing-a-500m-pipeline-but-i-m-facing-a-problem-with-my-code-it-can-t-seem-to-plot-a-grap