general form:
cols = size(YourMatrix, 2);
rows = size(YourMatrix, 1);
rows_at_a_time = rows;
cols_at_a_time = 10;
row_split = [rows_at_a_time * ones(1, floor(rows/rows_at_a_time)), mod(rows, rows_at_a_time)] ;
cols_split = [cols_at_a_time * ones(1, floor(cols/cols_at_a_time)), mod(cols, cols_at_a_time)] ;
result = mat2cell(YourMatrix, row_split, cols_split) ;
Or in the particular case where you know for sure that the size is 1 x 120 to be broken up into 10s
result = mat2cell( YourMatrix, 1, 10 * ones(1, 12));
