extracting specific rows from a matrix

If I have a 1080 x 4 matrix Y, arranged as:

value1 int int int

value2 int int int

value3 int int int

and so on for 1080 rows,

how do I extract all rows in the matrix with the integer in column 3, whose value is, say 11, and create a new 6 x 4 matrix Z of the six entries in Y with the integer 11 present in column 3?

Thank you,

Don

Answer 1

[Guillaume]

This is basic matrix indexing:

Z = Y(Y(:, 3) == 11, :);

[Don Brohaugh]

Thank you!

Don