37 lines
609 B
Matlab
37 lines
609 B
Matlab
function flg = Expr2_can_recovery(n, s, d, eps)
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theta_real = randn(n, d);
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theta_imag = randn(n, d);
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theta = theta_real + 1j * theta_imag;
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x = zeros(d, 1);
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random_indices = randperm(d, s);
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x(random_indices) = randn(s, 1);
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for i = 1:d
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if x(i) ~= 0
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t = rand(1);
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x(i) = cos(t) + 1j * sin(t);
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end
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end
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y = theta * x;
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cvx_begin
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variable s1(d)
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minimize(norm(s1, 1))
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subject to
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norm(y - theta * s1) <= eps
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cvx_end
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p = norm(x - s1, 2);
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if p < eps
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flg = 1;
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else
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flg = 0;
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end
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end
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