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- %Repartitia Stildent. Sa se reprezinte grafic densitatea de probabilitate
- %Stildent pt n= 2,5,10 si densitatea de probabilitate normala redusa.
- clc
- clear all
- help l4p4.m
- x=[-5:0.1:5];
- n1=2;
- f1=((gamma((n1+1)/2)) / ((gamma(n1/2))*sqrt(n1*pi)) *(1+x.^2/n1).^(-n1+1)/2)
- n2=5;
- f2=((gamma((n2+1)/2)) /(gamma(n2/2)*sqrt(n2*pi)) *(1+x.^2/n2).^(-n2+1)/2)
- n3=10;
- f3=((gamma((n3+1)/2)) /(gamma(n3/2)*sqrt(n3*pi)) *(1+x.^2/n3).^(-n3+1)/2)
- y=1/((sqrt(2*pi)) * exp^((-x.^2)/2))
- subplot(2,1,1);
- plot(x,f1,x,f2,x,f3);
- subplot(2,1,2);
- plot(x,y);
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