发现YouTube一个神奇的频道3Blue1Brown，它有一个播放列表《线性代数的本质》。看完了4个视频，包括了向量，线性组合，跨度，基向量，线性变换和矩阵乘法。 B站播放列表在这里。 继续观看了4个视频，内容包括三维变换、行列式、逆矩阵、列空间、零空间和非 ...

At close: December 24 at 1:00:02 PM EST ...

Perform in-depth fundamental analysis with decades of income statements, balance sheets, and cash flows — all exportable.

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Tonight will continue to be mostly dry but overcast with extensive cloud and just the odd clear break in places, mainly towards dawn. Mild with light to gentle winds. Saturday Tomorrow is expected ...

Partly cloudy. Medium chance of showers, becoming less likely later this evening. The chance of a thunderstorm, possibly severe. Winds west to northwesterly 15 to 25 km/h shifting cooler southerly 20 ...

Do you like free in-game loot and useful freebies that don't require you to do pretty much anything in order to redeem? Then I'm sure these Mobile Legends redeem codes are exactly what you've been ...

Mobile Legends: Bang Bang is an amazing MOBA for mobile, which can be compared with some of the bigger names out there, like League of Legends: Wild Rift. Similarly, Mobile Legends has tons of ...