Integral de Abs(sin(x))*cos(w*t) dt
Solución
Respuesta (Indefinida)
[src]
/ // t for w = 0\
| || |
| |sin(x)|*cos(w*t) dt = C + |sin(x)|*|
$$\int \cos{\left(t w \right)} \left|{\sin{\left(x \right)}}\right|\, dt = C + \left(\begin{cases} t & \text{for}\: w = 0 \\\frac{\sin{\left(t w \right)}}{w} & \text{otherwise} \end{cases}\right) \left|{\sin{\left(x \right)}}\right|$$
/zoo*|sin(x)|*cos(zoo*w) for And(w > -oo, w < oo, w != 0)
<
\ oo*sign(|sin(x)|) otherwise
$$\begin{cases} \tilde{\infty} \cos{\left(\tilde{\infty} w \right)} \left|{\sin{\left(x \right)}}\right| & \text{for}\: w > -\infty \wedge w < \infty \wedge w \neq 0 \\\infty \operatorname{sign}{\left(\left|{\sin{\left(x \right)}}\right| \right)} & \text{otherwise} \end{cases}$$
=
/zoo*|sin(x)|*cos(zoo*w) for And(w > -oo, w < oo, w != 0)
<
\ oo*sign(|sin(x)|) otherwise
$$\begin{cases} \tilde{\infty} \cos{\left(\tilde{\infty} w \right)} \left|{\sin{\left(x \right)}}\right| & \text{for}\: w > -\infty \wedge w < \infty \wedge w \neq 0 \\\infty \operatorname{sign}{\left(\left|{\sin{\left(x \right)}}\right| \right)} & \text{otherwise} \end{cases}$$
Piecewise((±oo*Abs(sin(x))*cos(±oo*w), (w > -oo)∧(w < oo)∧(Ne(w, 0))), (oo*sign(Abs(sin(x))), True))
Estos ejemplos se pueden aplicar para introducción de los límites de integración inferior y superior.