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matrix full of zeros

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Jessica Larry
Jessica Larry 2020-4-28
评论： Ameer Hamza 2020-4-28
load('air.txt')
Air.temp = air(:,1);
Air.press = air(:,2);
Air_R = 0.287;
for k = 1:length(air)
Air(k).vol = (Air_R*Air(k).temp)/Air(k).press;
end
I am using the ideal gas law to solve for volume and I made a structure with all the information needed (pressure, temperature). I am trying to make a subfield in that structure called vol (for volume) but the matrix that comes out as a result when I look at Air.vol is a maxtrix full of zeros and then colum 35 has all the values I need. Is there a way to minimize this so there's only one colum with the values I need?

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Ameer Hamza
Ameer Hamza 2020-4-28
Use element-wise division
Air(k).vol = (Air_R*Air(k).temp)./Air(k).press;
%^ add dot here

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