y=linspace(-6,-4,100);
f=cos(y)-y-5;
plot(y,f)
y=linspace(-10,0,100);
plot(y,f)
f=cos(y)-y-5;
plot(y,f)
intfel(-6,-4,3)
intfel(-6,-4,3)
intfel(-6,-4,30)
y=linspace(-6,-4,100);
f=cos(y)-y-5;
plot(y,f)
intfel2(-6,4,0.03)
y=linspace(-1,8,100);
f=y.^3+3*y.^2-exp(y-2);
y=linspace(-4,10,100);
f=y.^3+3*y.^2-exp(y-2);
plot(y,f)
intfel(-1,0,10)
intfel(-1,0,10)
intfel(0,1,10)
intfel(-4,-2,10)
intfel(8,10,10)