Crash when Solve for Integral with 15C
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06-14-2021, 09:20 PM
Post: #79
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RE: Crash when Solve for Integral with 15C
(09-02-2017 08:55 PM)Gerson W. Barbosa Wrote: BTW, as an attempt to improve the execution time. I did A better way might be integrate from the right, with x=u^3, dx=3 u^2 du The transformation produce a nice bell-shaped curve. e^x^3 is increasing function, and \(\displaystyle{e^{6^3}\over e^{5^3}} = e^{91} ≈ 3.3×10^{39}\), we can do \(\int_5^6 e^{x^3}\,dx\) Sharp EL-506W, n=100 (Simpson's Rule, 200 points), time ≈ 14 sec. ∫(e^u/u^(2/3)/3, u=125. .. 216) = 5.965307107 × 1091 ∫(e^(6-u³)³×3u², u=0. .. 1) = 5.963938092 × 1091 |
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