Code covered by the BSD License

Delta Sigma Toolbox

14 Jan 2000 (Updated 29 Dec 2011)

High-level design and simulation of delta-sigma modulators

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edgeplot(e,s,fmt)
```function edgeplot(e,s,fmt)
%function edgeplot(e,s,fmt) Plot edges e with format fmt
if nargin < 3
fmt = '-';
end
if size(s,1) == 2
hold on; grid on;
% Assume that the s points are in order.
plot([s(1,:) s(1,1)], [s(2,:) s(2,1)], fmt);
elseif size(s,1) == 3
tbl = [ 1 1 2; 4 1 3; 3 2 3; 2 9 9 ];
for p=1:3
subplot(2,2,tbl(p,1))
hold on; grid on;
x = tbl(p,2); y = tbl(p,3);
xlabel(['x' num2str(x)]); ylabel(['x' num2str(y)]);
for i=1:size(e,2)
p1 = s(:,e(1,i)); p2 = s(:,e(2,i));
plot([p1(x) p2(x)], [p1(y) p2(y)], fmt);
end
end
subplot(2,2,tbl(4,1));
hold on; grid on;
xlabel('x1'); ylabel('x2'); zlabel('x3');
for i=1:size(e,2)
p1 = s(:,e(1,i)); p2 = s(:,e(2,i));
plot3([p1(1) p2(1)], [p1(2) p2(2)], [p1(3) p2(3)], fmt);
end
elseif size(s,1) == 4
tbl = [ 1 1 2 3; 2 1 2 4; 3 1 3 4; 4 2 3 4 ];
for p=1:4
subplot(2,2,tbl(p,1))
hold on; grid on;
x = tbl(p,2); y = tbl(p,3); z = tbl(p,4);
xlabel(['x' num2str(x)]); ylabel(['x' num2str(y)]); zlabel(['x' num2str(z)]);
for i=1:size(e,2)
p1 = s(:,e(1,i)); p2 = s(:,e(2,i));
plot3([p1(x) p2(x)], [p1(y) p2(y)], [p1(z) p2(z)], fmt);
end
end
end
```