Iterating through columns of data

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Edward Robson 2020-11-2

回答： Stephan 2020-11-2

Hi ,

I have two columns of data, voltage and current with 44058 rows.

I need a way of iterating through both and finding the resistance for every value?

Any ideas?

Thank you

Stephan 2020-11-2

% Example data
U_I_data = [10 0.5; 20 2; 25 4; 12 3; 18.5 2]
% R = U/I as an elementwise matlab operation
R = U_I_data(:,1) ./ U_I_data(:,2)

results in:

U_I_data =
0000    0.5000
0000    2.0000
0000    4.0000
0000    3.0000
5000    2.0000
R =
0000
0000
2500
0000
2500

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