imaginary number

音标发音

The relative errors of real number part and imaginary number part of wave function change periodically between positive and negative numbers.
波函数相对误差随时间的演变表现出一定的规律性，其实数部分和虚数部分的相对误差周期性地在正负之间来回变化。
If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.
如果这当中有一个负数,乘积就会变成负的,如果你对一个负数开根号,你就会得到一个虚数
If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number. We don't want to use it in that case.
如果里面有一个负数的话，乘积将为辅助，如果你再求根的话，可能会产生虚数，那种情况下我们并不采用几何平均值。

If you had one negative number in it, then the product would be a negative number and, if you took a root of that, then you might get an imaginary number.
如果这当中有一个负数,乘积就会变成负的,如果你对一个负数开根号,你就会得到一个虚数
耶鲁公开课 - 金融市场课程节选

Then make an imaginary calculation of the number of times people watched the videos created by OfficeMax and JibJab.com.
FORBES: Elf Yourself: The All-Time Best Digital Holiday Campaign?
He came up with the 80m figure by multiplying the number of dots, or pixels, in a high-resolution image (about 1m-2m) by the number of surfaces that an imaginary ray of light corresponding to each pixel would encounter as it bounced around a complex scene (say, 50-100).
ECONOMIST: Smooth operator The