Between 2013 and 2015, she'd go on to do this 37 more times, often popping in unreasonably quickly to solve incredibly complex integration problems with fully formed answers.
从 2013 年到 2015 年，她又这样做了 37 次——经常突然闪现，以不合常理的快速，用成熟完备的答案解决极其复杂的积分问题。
Complex integration
原声例句
科学60秒-科学美国人 2023年8月合集
英语百科
Methods of contour integration
（重定向自Complex integration）
![](/Images/godic/202501/05/ContourDiagram4435.png")
![](/Images/godic/202501/05/TrigonometricToComplex4435.png")
![](/Images/godic/202501/05/Keyhole_contour.svg4435.png")
![](/Images/godic/202501/05/KeyholeContourLeft4436.png")
In the mathematical field of complex analysis, contour integration is a method of evaluating certain integrals along paths in the complex plane.
Contour integration is closely related to the calculus of residues, a method of complex analysis.
One use for contour integrals is the evaluation of integrals along the real line that are not readily found by using only real variable methods.
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