tensor for fluid I
levi-civita symbol 2-d In two dimensions, the Levi-Civita symbol is defined by: \[ \varepsilon_{i j}=\left\{\begin{aligned} +...
levi-civita symbol 2-d In two dimensions, the Levi-Civita symbol is defined by: \[ \varepsilon_{i j}=\left\{\begin{aligned} +...
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一些关于自己的思考。
我时常想，那些道不明、忆怅然的过往，为何如此让我痴迷，像是癫狂寻找腐朽的苍蝇。那些旧时，分明早已凋零败落，可是啊，痴醉如此，就算是俯身吮吸星星落落的岁月的弥香已是神魂颠倒。
abstract: stuffs involved exterior algebra