Integrand size = 137, antiderivative size = 32 \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {e^{-\left (1+\log (4)-\log \left (x^2\right )\right )^2}}{2 \left (-5+\frac {3}{x}+x+\log (x)\right )} \]
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Leaf count is larger than twice the leaf count of optimal. \(87\) vs. \(2(32)=64\).
Time = 0.54 (sec) , antiderivative size = 87, normalized size of antiderivative = 2.72, number of steps used = 4, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.029, Rules used = {12, 2306, 15, 2326} \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {x^5 e^{-\log ^2\left (x^2\right )-1-\log ^2(4)} \left (x^2\right )^{\log (16)} \left (x^2-5 x+x \log (x)+3\right )}{32 \left (x^4-10 x^3+31 x^2+x^2 \log ^2(x)+2 \left (x^3-5 x^2+3 x\right ) \log (x)-30 x+9\right )} \]
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Rule 12
Rule 15
Rule 2306
Rule 2326
Rubi steps \begin{align*} \text {integral}& = \frac {1}{16} \int \frac {\exp \left (-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )\right ) \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)} \, dx \\ & = \frac {1}{16} \int \frac {e^{-1-\log ^2(4)-\log ^2\left (x^2\right )} \left (x^2\right )^{2+2 \log (4)} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)} \, dx \\ & = \frac {1}{16} \left (x^{-4 \log (4)} \left (x^2\right )^{2 \log (4)}\right ) \int \frac {e^{-1-\log ^2(4)-\log ^2\left (x^2\right )} x^{2 (2+2 \log (4))} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)} \, dx \\ & = \frac {e^{-1-\log ^2(4)-\log ^2\left (x^2\right )} x^5 \left (x^2\right )^{\log (16)} \left (3-5 x+x^2+x \log (x)\right )}{32 \left (9-30 x+31 x^2-10 x^3+x^4+2 \left (3 x-5 x^2+x^3\right ) \log (x)+x^2 \log ^2(x)\right )} \\ \end{align*}
\[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx \]
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Time = 3.36 (sec) , antiderivative size = 50, normalized size of antiderivative = 1.56
method | result | size |
parallelrisch | \(\frac {x \,{\mathrm e}^{-\ln \left (x^{2}\right )^{2}+\left (4 \ln \left (2\right )+2\right ) \ln \left (x^{2}\right )-4 \ln \left (2\right )^{2}-1}}{32 x \ln \left (x \right )+32 x^{2}-160 x +96}\) | \(50\) |
risch | \(\frac {x^{5} x^{8 \ln \left (2\right )} x^{-4 i \pi \,\operatorname {csgn}\left (i x \right )} 2^{4 i \pi \,\operatorname {csgn}\left (i x \right )} x^{4 i \pi \,\operatorname {csgn}\left (i x^{2}\right )} 2^{-4 i \pi \,\operatorname {csgn}\left (i x^{2}\right )} {\mathrm e}^{-4 \ln \left (x \right )^{2}-1-i \pi \operatorname {csgn}\left (i x^{2}\right )^{3}+\frac {\pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{6}}{4}-\pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{5} \operatorname {csgn}\left (i x \right )+\frac {3 \pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{4} \operatorname {csgn}\left (i x \right )^{2}}{2}-\pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{3} \operatorname {csgn}\left (i x \right )^{3}+\frac {\pi ^{2} \operatorname {csgn}\left (i x^{2}\right )^{2} \operatorname {csgn}\left (i x \right )^{4}}{4}+2 i \pi \operatorname {csgn}\left (i x^{2}\right )^{2} \operatorname {csgn}\left (i x \right )-i \pi \,\operatorname {csgn}\left (i x^{2}\right ) \operatorname {csgn}\left (i x \right )^{2}-4 \ln \left (2\right )^{2}}}{32 x \ln \left (x \right )+32 x^{2}-160 x +96}\) | \(244\) |
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Time = 0.25 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.44 \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {x e^{\left (-4 \, \log \left (2\right )^{2} + 4 \, {\left (2 \, \log \left (2\right ) + 1\right )} \log \left (x\right ) - 4 \, \log \left (x\right )^{2} - 4 \, \log \left (2\right ) - 1\right )}}{2 \, {\left (x^{2} + x \log \left (x\right ) - 5 \, x + 3\right )}} \]
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Timed out. \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\text {Timed out} \]
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Leaf count of result is larger than twice the leaf count of optimal. 71 vs. \(2 (31) = 62\).
Time = 0.39 (sec) , antiderivative size = 71, normalized size of antiderivative = 2.22 \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {x^{5} e^{\left (8 \, \log \left (2\right ) \log \left (x\right ) - 4 \, \log \left (x\right )^{2}\right )}}{32 \, {\left (x^{2} e^{\left (4 \, \log \left (2\right )^{2} + 1\right )} + x e^{\left (4 \, \log \left (2\right )^{2} + 1\right )} \log \left (x\right ) - 5 \, x e^{\left (4 \, \log \left (2\right )^{2} + 1\right )} + 3 \, e^{\left (4 \, \log \left (2\right )^{2} + 1\right )}\right )}} \]
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Time = 0.59 (sec) , antiderivative size = 42, normalized size of antiderivative = 1.31 \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {x e^{\left (-4 \, \log \left (2\right )^{2} + 8 \, \log \left (2\right ) \log \left (x\right ) - 4 \, \log \left (x\right )^{2} + 4 \, \log \left (x\right ) - 1\right )}}{32 \, {\left (x^{2} + x \log \left (x\right ) - 5 \, x + 3\right )}} \]
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Time = 8.70 (sec) , antiderivative size = 47, normalized size of antiderivative = 1.47 \[ \int \frac {e^{-1-\log ^2(4)-(-2-2 \log (4)) \log \left (x^2\right )-\log ^2\left (x^2\right )} \left (15-21 x+3 x^2+\left (12-20 x+4 x^2\right ) \log (4)+(4 x+4 x \log (4)) \log (x)+\left (-12+20 x-4 x^2-4 x \log (x)\right ) \log \left (x^2\right )\right )}{16 \left (18-60 x+62 x^2-20 x^3+2 x^4+\left (12 x-20 x^2+4 x^3\right ) \log (x)+2 x^2 \log ^2(x)\right )} \, dx=\frac {x^5\,{\mathrm {e}}^{-1}\,{\mathrm {e}}^{-{\ln \left (x^2\right )}^2}\,{\mathrm {e}}^{-4\,{\ln \left (2\right )}^2}\,{\left (x^2\right )}^{4\,\ln \left (2\right )}}{32\,\left (x\,\ln \left (x\right )-5\,x+x^2+3\right )} \]
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