\begin array cccccccc } & { -2 - 0 - 0 - 0 = 0 -2 - 0 - 0 = 0 \hline 0 - 0 - 0 - 0 - 00 0 - 0 - 0 - 0 - 0 = 0 - 0 = 0 . . . . . . 0 = 0 = 0 相关知识点: 试题来源: 解析 【解析】 根据晶胞结构分析可知:晶体是由 XeF_{2} 分子通过分子间...
已知行列式\(D=\left|\begin{array}{cccc}{1} & {2} & {3} & {5} \\ {2} & {1} & {2} & {1} \\ {1} & {4} & {0} & {5} \\ {10} & {-2} & {1} & {3}\end{array}\right|\),其中\(A_{i j}\) 表示\(D\) 的第\(i\) 行第\(j\) 列元素的代数余...
aaaaaaaaaaaaa cccccccccccc BEGIN 代码块最先执行,END代码块最后执行 [root@node01 perl]# cat a2.pl require xx; print "aaaaaaaaaaaaa\n"; BEGIN {print bbbbbbbbbbbbbb."\n"}; [root@node01 perl]# perl a2.pl bbbbbbbbbbbbbb Can't locate xx.pm in @INC (you may need to install the x...
Answer to: Given this data use regression to find an exponential function. \begin{array}[cccccc] x & 2 & 5 & 7 & 10 & 12 \\ y & 5.4 & 146 & 1312 &...
若随机变量 的分布律为 \begin{array}{c|cccc}X&1&2&4&5\\\hline p_k&0.1&0.2&0.3&0.4\end{array} 则 ( ) A.0.1 B.0.3 C.0.5 D.0.9 你可能感兴趣的试题 多项选择题 下列哪些是清明节的活动( ) A.扫墓 B.插茱萸 C.踏青 D.荡秋千 ...
解析 因前款原因将军事设施拆除、迁建、改建或者改作民用的,由提出需求的地方人民政府依照有关规定给予有关军事机关政策支持或者经费补助。将军事设施迁建、改建涉及用地用海用岛的,地方人民政府应当依法及时办理相关手续。。第三十九条 军事设施因军事任务调整、周边环境变化和自然损毁等原因,失去使用效能并无需...
考虑如下修改过的正交投影矩阵:\( \left( \begin{array}{cccc} \frac{2}{r-l} & 0 & 0 & -\frac{r+l}{r-l}\\ 0 & \frac{2}{t-b} & 0 & -\frac{t+b}{t-b}\\ 0 & 0 & \mathbf{\frac{2}{f-n}} & -\frac{f+n}{f-n}\\ 0 & 0 & 0 & 1 \end{array} \right) ...
\begin{array}{r},\begin{array}{l},\begin{array}{c} r:righty = \left\{ \begin{array}{rr}a & 12345\\b+x & 78\\l &910\end{array} \right.y={a12345b+x78l910y = \left\{ \begin{array}{rr}a & 12345\\b+x & 78\\l &910\end{array} \right.y=⎩⎨⎧ab+xl...
Question: \begin{tabular}{c|rccccccccc} x & 112.3 & 97.0 & 92.7 & 86.0 & 102.0 & 99.2 & 95.8 & 103.5 & 89.0 & 86.7 \\ \hliney & 74.8 & 71.4 & 57.3 & 49.0 & 74.0 & 73.3 & 68.1 & 59.3 & 57.9 & 49.0 \end{tabular} (a...
The bases may be used to span both spaces, completely. Answer and Explanation: $$\left ( \begin{array}{cccc} 1&3&2&-4\\ 2&6&1&4\\ -1&-3&1&-8 \end{array} \right ) $$ The basis for the column space of A may be obtained....