1 / | | / 2 \ | sin\x + x/ dx | / 0
Integral(sin(x^2 + x), (x, 0, 1))
FresnelSRule(a=1, b=1, c=0, context=sin(x**2 + x), symbol=x)
Ahora simplificar:
Añadimos la constante de integración:
Respuesta:
/ / ___ \ / ___ \ \ ___ ____ | |\/ 2 *(1 + 2*x)| |\/ 2 *(1 + 2*x)| | / \/ 2 *\/ pi *|cos(1/4)*S|---------------| - C|---------------|*sin(1/4)| | | | ____ | | ____ | | | / 2 \ \ \ 2*\/ pi / \ 2*\/ pi / / | sin\x + x/ dx = C + ------------------------------------------------------------------------ | 2 /
/ / ___ \ / ___ \ \ / / ___ \ / ___ \ \ ___ ____ | |3*\/ 2 | |3*\/ 2 | | ___ ____ | | \/ 2 | | \/ 2 | | \/ 2 *\/ pi *|cos(1/4)*S|--------| - C|--------|*sin(1/4)| \/ 2 *\/ pi *|cos(1/4)*S|--------| - C|--------|*sin(1/4)| | | ____| | ____| | | | ____| | ____| | \ \2*\/ pi / \2*\/ pi / / \ \2*\/ pi / \2*\/ pi / / ---------------------------------------------------------- - ---------------------------------------------------------- 2 2
=
/ / ___ \ / ___ \ \ / / ___ \ / ___ \ \ ___ ____ | |3*\/ 2 | |3*\/ 2 | | ___ ____ | | \/ 2 | | \/ 2 | | \/ 2 *\/ pi *|cos(1/4)*S|--------| - C|--------|*sin(1/4)| \/ 2 *\/ pi *|cos(1/4)*S|--------| - C|--------|*sin(1/4)| | | ____| | ____| | | | ____| | ____| | \ \2*\/ pi / \2*\/ pi / / \ \2*\/ pi / \2*\/ pi / / ---------------------------------------------------------- - ---------------------------------------------------------- 2 2
sqrt(2)*sqrt(pi)*(cos(1/4)*fresnels(3*sqrt(2)/(2*sqrt(pi))) - fresnelc(3*sqrt(2)/(2*sqrt(pi)))*sin(1/4))/2 - sqrt(2)*sqrt(pi)*(cos(1/4)*fresnels(sqrt(2)/(2*sqrt(pi))) - fresnelc(sqrt(2)/(2*sqrt(pi)))*sin(1/4))/2
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.