I want to plot Id, Ib and It vs. h2 for 24 iterations as a curve. but it gives a discrete plot at 24th iteration. how I can fix that ?
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n = 162;
phi = 43;
Hbar = 23e+006;
Gsc = 1367;
del = 23.45*sind(360*((284+n)/365));
ws = acosd(-tand(phi)*tand(del));
h1 = 12;
for h2=1:24
w = abs(15*(h1-h2));
Hon=((24*3600*Gsc/pi)*(1+(0.033*cosd(360*n/365)))*((cosd(phi)*cosd(del)*sind(w))+(pi*ws*sind(phi)*sind(del)/180)));
kt = Hbar/Hon;
for i=1:1
if(ws<=81.4)
if (kt <0.715)
ratio = 1-(0.2727*kt)+(2.4495*kt^2)-(11.9514*kt^3)+(9.3879*kt^4);
else(kt>=0.715)
ratio=0.413;
end
else
if (kt <0.722)
ratio = 1+(0.2832*kt) - (2.5557*kt^2)+(0.8448*kt^3);
else
ratio = 0.175;
end
end
end
Hdbar = ratio*Hbar;
rd = abs((pi*(cosd(w)-cosd(ws)))/(24*(sind(ws)-((pi*ws*cosd(ws))/180))));
Id= rd*Hdbar;
a= 0.409+(0.5016*sind(ws-60));
b= 0.6609-(0.4767*sind(ws-60));
rt=rd*(a+b*cosd(w));
It=rt*Hbar;
Ib=It-Id;
plot (h2,Id,'b*',h2,It,'ro',h2,Ib,'gs')
end
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Answers (1)
Walter Roberson
on 3 Nov 2015
In your code, in all the places in the for loop that you assign to ratio, instead assign to ratio(i)
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