?? test_seq.asv
字號:
clear;
m = 200;
k = 50;
noisePower = 0.001;
x = zeros(200,1);
x(1:k) = 1;
A = [];
err = [];
diff= [];
y = [];
oldSol = x*0;
for k = 1 : 50
tmpA = randn(20, m);
tmpy = tmpA*x + randn(20,1)*sqrt(0.01);
A = [A; tmpA];
y = [y; tmpy];
sol = SolveBP(A, y, m, 100, 0.1, 1e-3);
diff = [diff, norm(sol-oldSol)];
err = [err, norm(x-sol)];
oldSol = sol;
end
k = 1 : 50;
plot(k,err,'r',k,diff,'b');
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