how to change the columns of matrix using row index

dear all,

I have this matrix

a=[1 0 0 0 1 0; 0 0 1 0 0 1;1 0 1 0 0 0;0 0 1 0 0 1;1 1 0 0 0 0;1 0 0 0 0 0;0 0 0 1 0 0];

I chose first row and wrote it as [ 1 1 0 0 0] and I want to rearrange the matrix depends on I, I used the index

a=[1 0 0 0 1 0; 0 0 1 0 0 1;1 0 1 0 0 0;0 0 1 0 0 1;1 1 0 0 0 0;1 0 0 0 0 0;0 0 0 1 0 0];
row=a(1,:);
s=find(row==1);
row1=[0 0 0 1 1 0];
s1=find(row1==1)
s2=find(row1==0)
%a=a(:,row1);give error

to here I don't now how to use the index of row1 to change a, can anyone help me please.

regards

Answer 1

[Walter Roberson]

a(:,[s1 s2])

[nadia nadi]

Dear Walter,

sorry for late to accept your answer. Thanks.

Nadia