MATLAB: Finding multiple first or last indicies

findindexing

How can you index the first or last values in a column:

x = [1;1;1;0;0;1;1;0;1;0;0;1]

find the first instances of the 1's: index1=[1,6,9,12]

find the last instances of 0's: index0 = [5,8,11]

x = [1;1;1;0;0;1;1;0;1;0;0;1]
s = [0, x.'];
result1 = strfind(s, [0, 1])
result2 = result1(2:end) - 1

A = [ 1 1 1 1 1 0 1 1 0 0 0 0 1 1 1 1 0 0 0 0 ];
ind = findstr(A,[0 0])
ind =
     9    10    11    17    18    19

So the FIRST instance occurs at

ind(1) + [0 1]
ans =
     9    10

idx=find(all(A,2))