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基向量

同一個向量(深紫色箭咀)可以用多個唔同嘅基向量嚟表達。

基向量basis vector)係數學上嘅一個概念,想像有個向量空間 ,個空間入面有個由若干個向量組成嘅集合 ;如果話 basis),意思即係話 嘅每一個元素都有一個獨特嘅方法寫做 嘅元素嘅有限線性組合,而 嘅元素就係基向量。最簡單嘅啲基向量,而且係正交嘅,係常用嘅啲歐氏空間嘅基。

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基向量
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