Matlab to achieve Joseph ring problem! ! Urgent! !

M=input ('Number of people who started to dequeue:');

num = 1:n； % nPeople are represented by1:n.

F = zero (1, n);

a = 1； % means there are always n people who need to go out.

j = 1； % is a number used to represent m times.

ind = 0； % corresponds to the subscript in num, that is, someone.

And a< = n.

And j< = m.

ind = ind+ 1；

If ind> length (number)

ind = 1；

end

j = j+ 1；

end

f(a)= num(ind)； % keep the people in F to be eliminated.

Num(ind)=[]% Exclude this person.

ind = ind- 1； % rejected subscripts minus 1

j = 1；

a = a+ 1；

end

f