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 ...

Open-source multiplayer game made in Unreal Engine 5.4 ...

Sony's PlayStation 5 caters to the whole family. Here are the best PS5 kids games across a wide range of genres.

The number of PlayStation Portal streaming games available after the March 2025 update has nearly hit 1000 as Sony expands its PS5 Cloud Gaming catalog.

Well, Super Bomberman R 2 is proof of that, pitting together 64 players in multiple arenas, bringing the victors of each battlefield onto one arena. Let’s be honest, the classic Bomberman formul ...

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Fires a single bullet at a time. The R-63CS Diligence Counter Sniper is a high-damage long-distance weapon. It is a modified version of the R-63 Diligence. The counter balance brought to the ...

Nintendo Switch 2 is finally confirmed. After literal years of unverified rumors, dubious leaks and copious amounts of online speculation, Nintendo has lifted the lid on its next-generation ...

The debut full-length release from the collaboration between Drake and PartyNextDoor features guest appearances by Chino Pacas, Pim and Yebba.

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The studio behind 2024's Silent Hill 2 remake — which isn't on Xbox yet — has announced another partnership with publisher Konami for an upcoming title, and this time the game will be coming to Xbox ...

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