On 4/8/2013 8:22 AM, zack00 wrote: > I have a zero matrix with 100 collumns. I save there ploting signal from infinity loop. > i want save only last 100 collumns..Start running plot and save data to matrix. > When the matrix is filled delete first collumn and shift to left and save the last value. > > Can you help me with this problem?
Probably better than actually shifting columns would be to simply keep a pointer to the next column to use modulo Ncols instead.