mihainan

Nan Mihai - Metode numerice (vectori si valori proprii)

Apr 16th, 2014
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MatLab 0.37 KB | None | 0 0
  1. function [lambda,it]=algQR1(A,t)
  2. %QRMETHOD1 - Calcululeaza valorile proprii ale unei matrice reale
  3. %implementarea naiva
  4. %intrare
  5. %    A - matricea
  6. %    t - toleranta
  7. %iesire
  8. %    lambda - valorile proprii - diagonala lui R
  9. %    it - numar de iteratii
  10.  
  11. H=hessen_h(A);
  12. it=0;
  13. while norm(diag(H,-1),inf) > t
  14.     H=HessenRQ(H);
  15.     it=it+1;
  16. end
  17. lambda=diag(H);
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