x=1:10

x =

     1     2     3     4     5     6     7     8     9    10

y=x(2:9)

y =

     2     3     4     5     6     7     8     9

a=1

a =

     1

b=2

b =

     2

n=length(y)

n =

     8

for i=1:n,
p(a:b)=y(i);
a=a+2;
b=b+2;
end;
p

p =

  Columns 1 through 13 

     2     2     3     3     4     4     5     5     6     6     7     7     8

  Columns 14 through 16 

     8     9     9

x

x =

     1     2     3     4     5     6     7     8     9    10

%vysledny vektor

x=[x(1) p x(10)]

x =

  Columns 1 through 13 

     1     2     2     3     3     4     4     5     5     6     6     7     7

  Columns 14 through 18 

     8     8     9     9    10