function c addGeneral(a,b) [row a,col a]size(a); [row b,col b]size(b); if row a row b if col a col b b [b,zeros(row b,col a col b)]; else a [a,zeros(row a,col b col a)]; end b [b;zeros (row_a row _b,max(col_a,col_b))]; else if col a col b b [b,zeros (row b,col a col b)]; else a [a,zeros(row a,col b col a)]; end a [a;zeros(row b -row a,max(col a,col b))]; end c=a+b;