and similarly if we were to modify this element of the matrix instead, then similar to the previous slide, except that here where you know playing around here saying that x2 can take on a very small range of values and so here if this is 0.6, we notice now x2 tends to take on a much smaller range of values than the original example, whereas if we were to set sigma to be equal to 2 then that's like saying x2 you know, has a much larger range of values.