柯西残余物
Cauchy's residue sore thumb
摘要：
两个世纪前柯西通过进入复平面来计算沿实轴积分的方法，按现在的标准来看并不严格。然而，当适当地制定，他的原始方法是简单的比现代介绍的剩余演算。
英文摘要：
Cauchy's method from two centuries ago for computing integrals along the real axis by passing into the complex plane is not rigorous by present-day standards. Yet when properly formulated, his original approach is simpler than modern presentations of the residue calculus.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
