function modelmat=creatcatcardeucl45

th=[0 0 pi/2 pi/2 pi/2 pi/2 pi pi pi pi pi*1.5 pi*1.5 pi*1.5 pi*1.5 0 0]+pi/4;
[x,y]=pol2cart(th',1); % draw unit circle in Cartesian coords
xy=[x y]; % cat for easier indexing below

for a=1:length(th)
    for b=1:length(th)
        
    
            modelmat(a,b)=norm(xy(a,:) - xy(b,:)); %euclidean
        
    end
end



end