How to save output from equation in for loop into an array

Question

Kevin Burg 2021-5-29

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/843255-how-to-save-output-from-equation-in-for-loop-into-an-array

评论： Sulaymon Eshkabilov 2021-5-29

I currently am calculating the values for an equation over a range of values. The output is only saving the last calculated in the value of the foor loop. How do I create an array so all the values are stored? Thank you for the help

% Range from 0.0 m to 4.00 m using 0.01 m increment
for i = 0.0:0.01:4.00
    % Formula for enthalpy from entrance to exit
    x_out = x_in + ((1/m)*(pi*Q_flux*D*i));
end 

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Answer 1

Sulaymon Eshkabilov 2021-5-29

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https://ww2.mathworks.cn/matlabcentral/answers/843255-how-to-save-output-from-equation-in-for-loop-into-an-array#answer_712385

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% Range from 0.0 m to 4.00 m using 0.01 m increment
t=0.0:0.01:4.00;
for ii = 1:numel(t)
    % Formula for enthalpy from entrance to exit
    x_out(ii) = x_in + ((1/m)*(pi*Q_flux*D*t(ii)));
end 