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  • linear algebra - How to prove $\det \left (e^A\right) = e . . .
    How to prove det (eA) = etr(A) det (e A) = e tr (A)? Ask Question Asked 12 years, 4 months ago Modified 2 years, 7 months ago
  • 线性代数 (det)是什么意思?_百度知道
    A矩阵的 行列式 (determinant),用符号det (A)表示。 行列式在数学中,是由解 线性方程组 产生的一种算式其 定义域 为nxn的矩阵 A,取值为一个 标量,写作det (A)或 | A | 。行列式可以看做是有向面积或体积。 扩展资料 性质 ①行列式A中某行 (或列)用同一数k乘,其结果等于kA。 ②行列式A等于其转置
  • 词性det. 是什么意思?_百度知道
    det 是determiner简写,是 限定词 的意思。 determiner 英 [dɪˈtɜ:mɪnə (r)] 美 [dɪˈtɜ:rmɪnə (r)] n <语言>限定词 noun (grammar 语法) (abbreviation det in this dictionary 本词典缩略为 det ) 限定词(置于名词前起限定作用,如the、some、my等) 。 与不可数或复数名词连用,用于否定句,也用于 疑问句 中的 if 或 whether
  • linear algebra - Why is $\det⁡ (-A)= (-1)^n\det (A)$? - Mathematics . . .
    In this way of looking at it, we see the result is equivalent to the observation that in even numbers of dimensions, changing the sign of everything can be achieved just by spinning everything around, whereas in odd numbers of dimensions it cannot be smoothy achieved without pushing a basis vector through zero (i e a non invertible matrix
  • linear algebra - Describe $\det (A^*)$ in terms of $\det (A . . .
    A matrix A A is hermitian if and only if its conjugate transpose A∗ A ∗ is the same as A A In this case, obviously, det(A) = det(A∗) det (A) = det (A ∗), but this is not generally true You can decompose taking the conjugate transpose in two steps: first conjugate each entry, then transpose Since transposition doesn't change the determinant, you are reduced to find the relationship
  • det. 是什么意思_百度知道
    det 是 determiner 的缩写,指词类中的“限定词”,包括 冠词 (a an,the)、 指示代词 (this these, that those)、 物主代词 (如 my,his,their )、 不定代词 (如 any,both,all,some, whose)。 特点: 从形式上看,大多数属于封闭性词类,并且具有相应的代词。 从位置上看,在 名词短语 中,它们位于形容词
  • 目的港DET和DEM 与 场内场外免柜租一样吗?_百度知道
    目的港DET和DEM 与 场内场外免柜租一样吗?目的港DET和DEM与场内场外免柜租是不同的,具体区别如下:1、含义不同:DEMURRAGE指集装箱在承运人或其代理人控制下的集装箱超期(逾期)使用费,通常指收货人清关提货前在
  • 海运中DEM与DET分别代表什么?所谓的免堆与免用?所谓场内场外分别指?_百度知道
    海运中,DEM和DET是两种常见的费用术语。DEM代表滞期费(Demurrage Charges),当船舶在港口停留超过预定时间,未能及时卸货或装货,船东会向租船人收取这部分费用。而DET则是拘留费(Detention Charge),当集装箱在目的港滞留超过免堆期(如Free Detention),即使货物尚未清关,也可能产生额外费用




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