fullprof A complex variable has real and imaginary parts written in the form b(x) = n(x) + iv(x) for two real-valued functions n(x) and v(x)

单复变量包含实数和虚数两部分，针对两个实值函数n(x) 和 v(x)的表达式为：b(x) = n(x) + iv(x)。

youdao

The problem of interval correlation results in interval extension is discussed by the relationship of interval-valued functions and real-valued functions.

针对区间相关性导致区间扩张的问题，探讨了区间数之间的相关性并给出了降低区间扩张的子区间摄动方法。

youdao