26 lines
457 B
Objective-C
26 lines
457 B
Objective-C
function flg = can_recovery(n, s)
|
|
d = 100;
|
|
eps = 1e-5;
|
|
theta = randn(n, d);
|
|
|
|
x = zeros(d, 1);
|
|
random_indices = randperm(d, s);
|
|
x(random_indices) = randn(s, 1);
|
|
x = sign(x);
|
|
y = theta * x;
|
|
|
|
cvx_begin
|
|
variable s1(d)
|
|
minimize(norm(s1, 1))
|
|
subject to
|
|
norm(y - theta * s1) <= eps
|
|
cvx_end
|
|
|
|
p = norm(x-s1, 2);
|
|
if p < eps
|
|
flg = 1;
|
|
else
|
|
flg = 0;
|
|
end
|
|
end
|