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- a=1;
- b=4;
- n=5;
- h=(b-a)/(n-1);
- p=a;
- k=a+h;
- calka=(h/2)*(f(p)+f(k));
- for i=2:n
- p=k;
- k=k+h;
- z=f(p);
- x=f(k);
- calka=calka+(h/2)*(z+x);
- end
- poch2=2;
- reszta=(-1/12)*n*(h^3)*poch2;
- function y=f(x)
- y=(x*x)-x+1;
- end
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