I have a latitude vector and I need to rotate it throughout a time t.

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Ainoa García 2017-10-4

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回答： Mischa Kim 2017-10-4

Hello everybody! I need to simulate the Earth rotation, that is, I have a vector with the lattitudes (LatE = 0:0.5:90) and longitude as LatE = 0. I need to rotate the LatE points around the Earth, during a time t (defined). I need to save the differents points (LatE,LonE) throughout the time t. Latitudes are always the same but I don't know who to change the longitudes.

Thank you in advance

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Answer 1

Mischa Kim 2017-10-4

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Ainoa, how about

 dt    = 60*60;          % dt = 1 hr
 t     = 0:dt:24*60*60;  % time vector spanning one full day
 omega = 360/(24*60*60); % angular velocity of earth 
 LonE  = omega*t