# Tag Archives: 線性相關

## 每週問題 December 19, 2016

Posted in pow 向量空間, 每週問題 | Tagged , | 1 Comment

## 每週問題 March 7, 2016

Schwarz 不等式的等號成立的一個充要條件為兩個向量是線性相關的。 Let and be vectors in an inner product space, and denote the inner product of and . Prove that if (that is, the Schwarz inequality reduces to an equality), then and are linearly dependent.