Creating a variable to from data in a matrix

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I have loaded a text file and it is currently set as a variable, input1, in matrix form. I need a vector that is equal to the variables in this matrix of the first column from the 3rd row to the last row of the column.
Correct me if i am wrong but I believe to create a vector of the entire column can be done like this:
x = input1(:,1);
Is there a similar way to code this to only take the values starting at the third row?
Right now I have created column vectors consisting of the colums in the matrix. Then I wrote this but it does not seem to work either.
x = column1(3,:)
I have also transposed this and it still is not seeming to work. I am unsure what to do and would appreciate any help!
Thank you

Accepted Answer

Imanol Isasa
Imanol Isasa on 26 Apr 2020
Hi,
you can select the first column starting from the third row doing this:
selection = matrix(3:end,1);

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