Sort the matrix corresponding to row

Hi,

I am new to matlab,can any one help me for sorting the matrix

AA =[2,3,4,5,1,6;21,22,30,36,39,40]

In the matrix AA I want to sort with respect to second row in descending order,so that I can get

AA=[6,1,5,4,3,2;40,39,36,30,22,21]

Answer 1

[Sean de Wolski]

sortrows(AA,-2);

and

doc sortrows %for more info