function plotUsave(sv)% Plot the elemet usage for a multi-elemet DACT = size(sv,2);					M = size(sv,1);% Plot the gridx=[0:T; 0:T];					x=x(:)';T2 = ceil((T+1)/2);y=[zeros(1,T2); M*ones(2,T2); zeros(1,T2)];	y = y(1:2*(T+1))';plot(x,y,'k');hold on;M2 = ceil((M+1)/2);x=[zeros(1,M2); T*ones(2,M2); zeros(1,M2)];	x = x(1:2*(M+1))';y=[0:M; 0:M];					y=y(:)';plot(x,y,'k');% axis([0 T 0 M]);axis('image');for t=1:T    for i=1:M	if sv(i,t) == 1	    fill([t-1 t-1 t t],[i-1 i i i-1],'b');	elseif sv(i,t) == -1	    fill([t-1 t-1 t t],[i-1 i i i-1],'g');	elseif sv(i,t) == 1i	    fill([t-1 t-1 t t],[i-1 i i i-1],'r');	elseif sv(i,t) == -1i	    fill([t-1 t-1 t t],[i-1 i i i-1],'y');	end    endendhold off% xlabel('time');% ylabel('element number');