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 ...

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I’m psyched for the movie,” said Tomlison. At first The Batman – Part 2 was delayed to October 2, 2026 but at the end of 2024, it was pushed back another 12 months. It’s now set for ...

When is the Ark 2 release date? Ever since the Ark 2 announcement at The Game Awards 2020, we’ve been looking forward to learning more about the upcoming dinosaur-themed survival game.

The Nintendo Switch has been revealed, with more to come April 2. Here's what's confirmed and what we're still guessing at. I started with CNET reviewing laptops in 2009. Now I explore wearable ...

洛杉矶正在发生大事，湖人队是事件的中心。在通过史无前例的交易将卢卡·东契奇带到洛杉矶后，湖人队正专注于未来，致力于打造下一个王朝。核心球员是第三年迅速崛起的球星奥斯汀·里夫斯，他最近发布了他最新的签名款Rigorer AR 2 运动鞋，采用节日气氛浓厚的“情人节”配色。 在创造职业生涯最高的45分表现之后，奥斯汀·里夫斯不断向所有人展示他将成为洛杉矶的下一个巨星。队友勒布朗·詹姆斯和卢卡·东契奇缺 ...

After seven years on the market, 146 million systems, and more than 1 billion games sold, Nintendo has finally announced the Nintendo Switch 2. The rumor mill was heating up in January ...

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 ...

Also, Nintendo Switch 2 launches into a changed market where players have come to expect that they will be able to carry their game libraries forward from one machine to another, which precluded a ...

"Instructions for Form 1099-R and 5498," Page 16. Internal Revenue Service. "Retirement Topics - Plan Loans." Internal Revenue Service. "Topic No. 154, Form W-2 and Form 1099-R (What to Do if ...