V shape star pattern in MATLAB

MATLAB Program:

x=input('Enter the number:');

y=[];%output

for i=1:x

    for j=1:(2*x-1)

        if(i==j || i+j==2*x)

            y(i,j)='*';

        end

    end

end

z=char(y);

disp(z);

OUTPUT: