Anul 3 Semestrul 2

2025-07-03 20:56:38 +03:00
parent 184f3bd92e
commit 3b7fb85767
269 changed files with 20955 additions and 0 deletions
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+function [x, nit] = gausssidel(A, b, x0, err, maxnit)
+  n = length(b);
+  D = diag(diag(A));
+  L = tril(A, -1);
+  U = A - D - L;
+  M = D + L;
+  N = -U;
+  T = M^(-1)*N;
+  c = M^(-1)*b;
+  x = x0;
+  for k = 1:maxnit
+    old_x = x;
+    x = T*x+c;
+    if norm(x-old_x,inf) <= ((1-norm(T,inf))/norm(T,inf))*err
+      nit = k;
+      return;
+    endif
+  endfor
+  error('Too dificult');
+end;