这是一个很深刻的问题，但似乎许多国内的线性代数教材并不提太多关于 “将实线性空间视为复线性空间” 的问题. 这里尝试给一个清晰的说明，对线性代数部分不感兴趣的同学可以直接跳到最后的结论. \Bbb{R}^2 是一个实向量空间，当我们写 (a,b)\in\Bbb{R}^2 时，我们其实是在写 a\bm{e}_1+b\bm{e}_2 ，其中 \bm{e}_i ...

Premium Quality Power IPO Day 2 Highlights: The subscription period for the Quality Power IPO is scheduled from Friday, February 14, to Tuesday, February 18. Quality Power IPO Day 2 Highlights ...

Sterling Heights shooting suspect arraigned On Tuesday, 51-year-old Luke Svacha was handcuffed in a jail at his arraignment as he listened to a judge read him the four felonies for which he’s ...

However, the Nintendo Switch 2 will not arrive in your mailbox for at least the next few months. While we have a better idea of what it looks like, we still have to rely on leaks and rumors for ...

CHICAGO (WLS) -- Two people were injured during some type of accident inside a Southwest Side music venue early Saturday, Chicago police said. Police said the incident happened just before 1:30 a ...