[中學] 問一個符號(與向量有關係的)
最近在學行列式的幾何意義,其中有談及X(cross)也就是外積
還有‧(dot?)也就是內積
那我想問一下,補習班老師有用到("wedge",也就是"位舉"的發音,符號是"倒V")
我問我們老師,老師說大學才會用到?
請問什麼是"位舉"(發音)? 有人可以解釋並且舉例給我一下嗎?謝謝^^
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