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發表於 11-5-30 08:53 PM |只看該作者

how to integrate sinx/(x(1+x^2)) form 0 to infinity by using residue? thx~

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發表於 11-6-6 10:29 PM |只看該作者

唔好意思,冇計太耐,原本的答案有錯漏, 要遲d再補番個answer!

原本的答案果條半圓唔記得要避開個原點 (origin), 所以唔可以直接用residue theorem
Sorry!

[ 本帖最後由 Naozumi 於 11-6-9 11:33 PM 編輯 ]

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發表於 11-6-10 01:40 PM |只看該作者

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[其他] integration [複製鏈接]