I am trying to save it as a 2D data file (200by 600). my array length ; x in row = 600 and Y = 200.  In order to import this text file, I need to save it as a running data points , like  (y1,x1) (y1,x2).....................(y1, x600) , (y2,x1) (y2,x2)..............(y2,x600).........................................(yn,xn)  or  just one column of the x, y  coordinates.. not sure how to save in these two formats. Any help is appreciated. Thanks