Plotting Results of a While Loop

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Jared Guzman
Jared Guzman 2019-2-22
评论： Lea Dratwa 2021-12-7
Hello,
I want to iteratively plot the results of my while loop, however, I end up with either one point on the graph as the output, or a blank graph.
Any help would be greatly appreciated,
Thank you
% ---------------------------------------------------------
% AIR DENSITY AS A FUNCTION OF PRESSURE AND TEMPERATURE
% ---------------------------------------------------------
clc
clear
h = 0;
while h <= 11000
T = 15.04 - 0.00649 * h;
P = 101.29 * ((T + 273.15)/288.08).^(5.256);
rho = P/(0.2869*(T + 273.15));
h = h + 10;
end
plot(h,rho)

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回答（2 个）

madhan ravi
madhan ravi 2019-2-22
h = 0 : 10 : 11000;
T = 15.04 - 0.00649 * h;
P = 101.29 * ((T + 273.15)./288.08).^(5.256);
rho = P./(0.2869*(T + 273.15));
plot(h,rho) % if you want to see the movement use comet() instead of plot()
Yasasvi Harish Kumar
编辑：Yasasvi Harish Kumar 2019-2-25
Hi,
Use an array to store the values so that you can plot them.
% ---------------------------------------------------------
% AIR DENSITY AS A FUNCTION OF PRESSURE AND TEMPERATURE
% ---------------------------------------------------------
clc
clear
h = 0;
i = 1;
while h <= 11000
T = 15.04 - 0.00649 * h;
P = 101.29 * ((T + 273.15)/288.08).^(5.256);
x(i) = h;
rho(i) = P/(0.2869*(T + 273.15));
h = h + 10;
i = i+1;
end
plot(x,rho)
Regards
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Yasasvi Harish Kumar
Yasasvi Harish Kumar 2019-2-25
I agree @madhan ravi. Its a better approach.

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