oo / | | -z*y -y | E *E *y dy | / 0
Integral((E^((-z)*y)*E^(-y))*y, (y, 0, oo))
// 2 \ || y | || -- for z = -1| || 2 | / || | // y for 1 + z = 0\ | ||/ y*(-1 - z) | || | | -z*y -y |||e 2 | || y*(-1 - z) | | E *E *y dy = C - |<|------------ for 1 + z + 2*z != 0 | + y*|<-e | | ||| 2 | ||------------- otherwise | / ||<1 + z + 2*z otherwise | || 1 + z | ||| | \\ / ||| -y | ||| ----- otherwise | ||\ 1 + z | \\ /
/ 1 pi | -------- for |arg(z)| <= -- | 2 2 | (1 + z) | | oo < / | | | | -y -y*z | | y*e *e dy otherwise | | |/ \0
=
/ 1 pi | -------- for |arg(z)| <= -- | 2 2 | (1 + z) | | oo < / | | | | -y -y*z | | y*e *e dy otherwise | | |/ \0
Piecewise(((1 + z)^(-2), Abs(arg(z)) <= pi/2), (Integral(y*exp(-y)*exp(-y*z), (y, 0, oo)), True))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.