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grafico_fun

Dec 5th, 2014
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MatLab 0.53 KB | None | 0 0
  1. % Grafico funzioni in fun_quad
  2. %
  3. clc
  4. clear
  5.  
  6. fprintf('\n Grafico funzioni fun_quad in [a b]');
  7. fprintf('\n y=sqrt(1-x.^2) [-1 1]  --> 1');
  8. fprintf('\n y=1./sqrt(x) [0 1]     --> 2');
  9. fprintf('\n y=2*x.^3+5*x [-10 10]    --> 3');
  10. fprintf('\n y=exp(-x.^2) [-10 10]  --> 4');
  11. fprintf('\n y=1./(1+x.^2) [-5 5] --> 5');
  12. nf=input('\n Dai no funzione:');
  13. a=input('\n Dai a:');        
  14. b=input('\n Dai b:');
  15. n=200;
  16. x=[a:(b-a)/(n-1):b];
  17. y=fun_quad(x,nf);
  18. plot(x,y);
  19. nfstr=num2str(nf);
  20. nome=strcat('fun\_',nfstr);
  21. legend(nome);
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