Optimal. Leaf size=66 \[ \frac{i \sqrt{\pi } e^{-i c} \text{Erf}(b x)^2}{8 b}-\frac{i b e^{i c} x^2 \text{HypergeometricPFQ}\left (\{1,1\},\left \{\frac{3}{2},2\right \},b^2 x^2\right )}{2 \sqrt{\pi }} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.0583387, antiderivative size = 66, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 18, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.222, Rules used = {6404, 6373, 30, 6376} \[ \frac{i \sqrt{\pi } e^{-i c} \text{Erf}(b x)^2}{8 b}-\frac{i b e^{i c} x^2 \, _2F_2\left (1,1;\frac{3}{2},2;b^2 x^2\right )}{2 \sqrt{\pi }} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 6404
Rule 6373
Rule 30
Rule 6376
Rubi steps
\begin{align*} \int \text{erf}(b x) \sin \left (c-i b^2 x^2\right ) \, dx &=\frac{1}{2} i \int e^{-i c-b^2 x^2} \text{erf}(b x) \, dx-\frac{1}{2} i \int e^{i c+b^2 x^2} \text{erf}(b x) \, dx\\ &=-\frac{i b e^{i c} x^2 \, _2F_2\left (1,1;\frac{3}{2},2;b^2 x^2\right )}{2 \sqrt{\pi }}+\frac{\left (i e^{-i c} \sqrt{\pi }\right ) \operatorname{Subst}(\int x \, dx,x,\text{erf}(b x))}{4 b}\\ &=\frac{i e^{-i c} \sqrt{\pi } \text{erf}(b x)^2}{8 b}-\frac{i b e^{i c} x^2 \, _2F_2\left (1,1;\frac{3}{2},2;b^2 x^2\right )}{2 \sqrt{\pi }}\\ \end{align*}
Mathematica [A] time = 0.06519, size = 67, normalized size = 1.02 \[ \frac{(\sin (c)+i \cos (c)) \left (\pi \text{Erf}(b x)^2-4 b^2 x^2 (\cos (2 c)+i \sin (2 c)) \text{HypergeometricPFQ}\left (\{1,1\},\left \{\frac{3}{2},2\right \},b^2 x^2\right )\right )}{8 \sqrt{\pi } b} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
Maple [F] time = 0.066, size = 0, normalized size = 0. \begin{align*} \int -{\it Erf} \left ( bx \right ) \sin \left ( -c+i{b}^{2}{x}^{2} \right ) \, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \frac{i \, \sqrt{\pi } \cos \left (c\right ) \operatorname{erf}\left (b x\right )^{2}}{8 \, b} + \frac{\sqrt{\pi } \operatorname{erf}\left (b x\right )^{2} \sin \left (c\right )}{8 \, b} - \frac{1}{2} i \, \cos \left (c\right ) \int \operatorname{erf}\left (b x\right ) e^{\left (b^{2} x^{2}\right )}\,{d x} + \frac{1}{2} \, \int \operatorname{erf}\left (b x\right ) e^{\left (b^{2} x^{2}\right )}\,{d x} \sin \left (c\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{1}{2} \,{\left (i \, \operatorname{erf}\left (b x\right ) e^{\left (-2 \, b^{2} x^{2} - 2 i \, c\right )} - i \, \operatorname{erf}\left (b x\right )\right )} e^{\left (b^{2} x^{2} + i \, c\right )}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} - \int \sin{\left (i b^{2} x^{2} - c \right )} \operatorname{erf}{\left (b x \right )}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int -\operatorname{erf}\left (b x\right ) \sin \left (i \, b^{2} x^{2} - c\right )\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]