Draw 'D' | MATLAB Cody

Code:

function y = your_fcn_name(x)
y =[];
for i=1:x
for j=1:x
if(j==1 || i==1 || j==x||i==x)
y(i,j)=1;
else
y(i,j)=0;
end
end
end
y(1,x)=0;
y(x,x)=0;
end