Adding a number to all existing values within a column

How does one add a value to one single Column in a 80000 × 4? I am asked to add 14 to the values in column 2, but I can't figure out how. It also asks to plot the 80000 × 4 data. Please and thank you

Answer 1

[Stephen23]

This should get you started:

>> mat = rand(80000,4);
>> mat(:,2) = mat(:,2) + 14;

https://www.mathworks.com/matlabcentral/answers/228557-experts-of-matlab-how-did-you-learn-any-advice-for-beginner-intermediate-users