Update Block RIP

2024-02-21 16:44:41 +08:00
parent f357a0c3a7
commit ae199edbcd
16 changed files with 164 additions and 169 deletions
@@ -0,0 +1,25 @@
+function flg = can_recovery(Psi, s, eps)
+    [m, n] = size(Psi);
+
+    x = zeros(n, 1);
+    random_indices = randperm(n, s);
+    x(random_indices) = randn(s, 1);
+    x = sign(x);
+    y = Psi * x;
+
+    cvx_begin
+    variable s1(n)
+    minimize(norm(s1, 1))
+    subject to
+    norm(y - Psi * s1) <= eps
+    cvx_end
+
+    p = norm(x - s1, 2);
+
+    if p < eps
+        flg = 1;
+    else
+        flg = 0;
+    end
+
+end