can anyone explain this line of code?

center = [center;[round(i + (W-1)/2),round(j + (W-1)/2),theta]];

used in the orientation field estimation.

Answer 1

[Image Analyst]

Looks like it's probably in a loop that's building up a list of center points of something. It's an N by 3 array where the first column is the x values, the second column is the y values, and the third column is an angle.