摘要: How to integral $\int_0^\infty \exp(-(a+bi)x)dx$? Method 1: use Euler's formula: $$ \int_0^{\infty}e^{-(a+bi)x}dx=\int_0^{\infty}e^{-ax}(\cos(-bx)+\si 阅读全文
posted @ 2022-12-15 11:06 ChrainY 阅读(50) 评论(0) 推荐(0) 编辑