Making a new variable

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LacAnthony
LacAnthony 2019-10-2
评论： LacAnthony 2019-10-2

Hello, I would like to make a new variable from existing variables. What I want to do is sum up the first column of 3 variables that I have already made and make 1 new variable with the sums in a 1x3 row.

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采纳的回答

David Hill
David Hill 2019-10-2
newVar=[sum(first(:,1),sum(second(:,1),sum(third(:,1)];

更多回答（1 个）

Walter Roberson
Walter Roberson 2019-10-2
new_variable = [sum(first_variable(:,1)), sum(second_variable(:,1)), sum(third_variable(:,1))];
There is another approach that is slightly more compact but requires that the variables be the same size; the above code does not require that.

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