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C = 100;
g = 20;
s = 0.5;
T = 1;
t = 0.68;
x = 0:0.1:1
if x <t
d = 32/(1.-x*0.2)
else d = C*(1-g/C)^2./(2*(1.-x*g/C))+900*T*((x-1.)+sqrt((x-1).^2+12*C*(x-t)./(T*s*g*3600)))
end
plot(x,d)
———————–
Anyone help me. I dont understant why d(x=0)=21.64.
while: d(x=0<0.68)=32*(1-0)=32
Please explain help me why?
Thanks so much!
Best Answer