pi / | | -a*|x| I*x*k | x*e *e dx | / -pi
Integral((x*exp((-a)*|x|))*exp((i*x)*k), (x, -pi, pi))
/ / | | | -a*|x| I*x*k | -a*|x| I*x*k | x*e *e dx = C + | x*e *e dx | | / /
3 3 3 3 3 pi*I*k 2 2 3 -pi*a -pi*I*k 4 pi*I*k 4 pi*I*k 3 pi*I*k 2 2 2 pi*I*k 4 -pi*a -pi*I*k 4 -pi*a -pi*I*k 3 -pi*a -pi*I*k 2 -pi*a -pi*I*k 2 pi*I*k 2 2 pi*I*k 2 2 -pi*a -pi*I*k 3 pi*I*k 2 -pi*a -pi*I*k 3 pi*I*k 3 -pi*a -pi*I*k 3 -pi*a -pi*I*k a a I*k I*k a *e 3*a*k 3*a*k a *e *e pi*a *e pi*k *e I*k *e 3*I*k*a 3*I*k*a 3*a*k *e pi*a *e *e pi*k *e *e I*k *e *e 3*a*k *e *e 3*I*k*a *e 6*pi*a *k *e 6*pi*a *k *e *e 4*pi*I*a*k *e 3*I*k*a *e *e 4*pi*I*k*a *e 4*pi*I*a*k *e *e 4*pi*I*k*a *e *e ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- 5 5 3 2 4 4 2 3 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 4 2 3 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 4 2 3 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 4 2 3 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a
=
3 3 3 3 3 pi*I*k 2 2 3 -pi*a -pi*I*k 4 pi*I*k 4 pi*I*k 3 pi*I*k 2 2 2 pi*I*k 4 -pi*a -pi*I*k 4 -pi*a -pi*I*k 3 -pi*a -pi*I*k 2 -pi*a -pi*I*k 2 pi*I*k 2 2 pi*I*k 2 2 -pi*a -pi*I*k 3 pi*I*k 2 -pi*a -pi*I*k 3 pi*I*k 3 -pi*a -pi*I*k 3 -pi*a -pi*I*k a a I*k I*k a *e 3*a*k 3*a*k a *e *e pi*a *e pi*k *e I*k *e 3*I*k*a 3*I*k*a 3*a*k *e pi*a *e *e pi*k *e *e I*k *e *e 3*a*k *e *e 3*I*k*a *e 6*pi*a *k *e 6*pi*a *k *e *e 4*pi*I*a*k *e 3*I*k*a *e *e 4*pi*I*k*a *e 4*pi*I*a*k *e *e 4*pi*I*k*a *e *e ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------------------------------------------- + ----------------------------------------------------------------------------------------- - ----------------------------------------------------- - ----------------------------------------------------------------------------------------- + ----------------------------------------------------- + ----------------------------------------------------------------------------------------- - ----------------------------------------------------- + ----------------------------------------------------- 5 5 3 2 4 4 2 3 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 4 2 3 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 4 2 3 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 4 2 3 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 pi*a 5 pi*a 3 2 pi*a 4 pi*a 4 pi*a 2 3 pi*a 5 5 3 2 4 2 3 4 5 5 3 2 4 2 3 4 a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a - I*k - 10*a *k + 5*a*k - 5*I*k*a + 10*I*a *k a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a *e - I*k *e - 10*a *k *e + 5*a*k *e - 5*I*k*a *e + 10*I*a *k *e a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a a + I*k - 10*a *k + 5*a*k - 10*I*a *k + 5*I*k*a
a^3/(a^5 - i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 5*i*k*a^4 + 10*i*a^2*k^3) - a^3/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + i*k^3/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + i*k^3/(a^5 - i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 5*i*k*a^4 + 10*i*a^2*k^3) - a^3*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - 3*a*k^2/(a^5 - i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 5*i*k*a^4 + 10*i*a^2*k^3) + 3*a*k^2/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + a^3*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) - pi*a^4*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - pi*k^4*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - i*k^3*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - 3*i*k*a^2/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) - 3*i*k*a^2/(a^5 - i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 5*i*k*a^4 + 10*i*a^2*k^3) + 3*a*k^2*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) + pi*a^4*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + pi*k^4*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) - i*k^3*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) - 3*a*k^2*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + 3*i*k*a^2*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) + 6*pi*a^2*k^2*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - 6*pi*a^2*k^2*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) - 4*pi*i*a*k^3*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) + 3*i*k*a^2*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + 4*pi*i*k*a^3*exp(pi*i*k)/(a^5*exp(pi*a) - i*k^5*exp(pi*a) - 10*a^3*k^2*exp(pi*a) + 5*a*k^4*exp(pi*a) - 5*i*k*a^4*exp(pi*a) + 10*i*a^2*k^3*exp(pi*a)) - 4*pi*i*a*k^3*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4) + 4*pi*i*k*a^3*exp(-pi*a)*exp(-pi*i*k)/(a^5 + i*k^5 - 10*a^3*k^2 + 5*a*k^4 - 10*i*a^2*k^3 + 5*i*k*a^4)
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.