线性代数 （det)是什么意思？ - 百度知道
线性代数 （det)是什么意思？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 …
$\\det(I+A) = 1 + tr(A) + \\det(A)$ for $n=2$ and for $n>2$?
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linear algebra - Given a $3\times 3$ matrix $A$, with $\det(A)
2019年2月10日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
det.是什么意思 - 百度知道
det的意思是限定词。 限定词是在名词词组中对名词中心词起特指、类指以及表示确定数量和非确定数量等限定作用的词类。
linear algebra - Why is $\det (-A)= (-1)^n\det (A)
Typically we define determinants by a series of rules from which $\det(\alpha A)=\alpha^n\det(A)$ follows almost immediately. Even defining determinants as the expression used in Andrea's …
线性代数中det代表什么 - 百度知道
2024年11月29日 · 线性代数中det代表什么在学习线性代数时，det是一个非常重要的概念，它代表的是一个行列式的计算结果，是一个数值。具体而言，如果有一个矩阵A，那么A的行列式， …
linear algebra - $\det (I+A)=1+\operatorname {Tr} (A)$ if ...
2020年6月27日 · $\begingroup$ Hi, I noticed that in the Wikipedea article you linked, there is an indentity logdet(I+A)=trlog(I+A) for trace class operator, but I cannot find the reference for that.
linear algebra - Find det A if A is 3 × 3 and det (2A) = 6 ...
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Is it true that $\\det(A + I) = \\operatorname{trace} (A) + 1$?
The equality can be viewed as a consequence of Sylvester's determinant theorem $\det(I+XY)=\det(I+YX)$ (whose proof is merely based on the identity …
$\\det(I+A\\bar{A}) \\ge 0$ for all complex square matrices $A$?
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