Matlab - Eliminar elementos repetidos de un array

prc=[1,1,2,3,4,6,8,8,8,1];

for j=2:length(prc)

    if prc(j)== prc(j-1)

        prc(j)=[]

    end

end

prc=[1,1,2,3,4,6,8,8,8,1];

prc([nan diff(prc)]==0)=[];

clear

prc=[1,1,2,3,4,6,8,8,8,1]

n=length(prc);

j=2;

while j<=n

    if prc(j)== prc(j-1)

        prc(j)=[];

        n=length(prc);

        j=j-1;

    end

    j=j+1;

end

prc

>> eliminar_elementos_repetidos_consecutivos1

prc =

     1     1     2     3     4     6     8     8     8     1

prc =

     1     2     3     4     6     8     1