1)
syms x
f = (x^2-5*x+6)*log(x)

a) int(abs(f) , 0.5 , 4)

1.9323

b) int(-f,0.5,1)+int(f,1,2)+int(-f,2,3)+int(f,3,4)

1.9323

2)
f = x^2-2*x+5
g = sqrt(1+diff(f)^2)
int(g , 1, 1.5)
0.5739

3)
syms x
f = ...

a) int(abs(f),0,6)
57.9354

b) int(-f,0,1)+int(f,1,3)+int(-f,3,5.5)+int(f,5.5,6)
57.9354

4)
f = log(1/x)
g= sqrt(1+diff(f)^2)
int(g,1,3)
2.3020



Última modificación: jueves, 2 de mayo de 2013, 21:57