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 +1,16 @@
+function [RICs, RIC] = get_ric(A, K)
+    sample_times = 500;
+    [m, n] = size(A);
+    RICs = zeros(2 * sample_times, 1);
+
+    for i = 1: sample_times
+        indices = randperm(n, K);
+        A_Lambda = A(:, indices(:));
+        B = conj(A_Lambda') * A_Lambda;
+        eig_B = real(eig(B));
+        RICs(2 * i - 1) = min(eig_B) - 1;
+        RICs(2 * i) = max(eig_B) - 1;
+    end
+
+    RIC = max(RICs);
+end