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IB MAI HL Number and Algebra Topic 1.5 Matrices (id: 9483ae078)

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admin 发表于 2024-2-6 05:06:48 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.5 Matrices,类别为 IB数学

[填空题]
An information technology (IT) company offer txb m:ckf*0.ns paid*sd2. f.l6arvjvff j2dv. n 3d travelling vacation to its 160 employees every year. The employees can choose between travelling domestically or internationally. It is observed that 50 % of the employees who choose to travel domestically one year, choose internationally the next year. Conversely, 30 % of those who choose to travel internationally one year change to travel domestically the folfv.fajsdf 2njv r6d 3.d*2v .llowing year. For this year, 80 employees chose travelling domestically and 80 employees chose travelling internationally.

1.Write down the initial state $s_0$ and the transition matrix T.
$ T = \begin{vmatrix} a_1 & b_1 \\ a_2 & b_2 \end{vmatrix} $; $a_1$=  ,$b_1$=  ; $a_2$=  ,$b_2$=  .
$ s_0 = \begin{vmatrix} x_1 \\ y_1 \end{vmatrix} $ ; $x_1$=  ,$y_1$=  .

2.Determine $Ts_0$ and interpret the result.
$ Ts_0 = \begin{vmatrix} x_1 \\ y_1 \end{vmatrix} $ ; $x_1$=  ,$y_1$=  .
3.Find the eigenvalues and corresponding eigenvectors of T.
$ X_1 = \begin{vmatrix} -x_1 \\ y_1 \end{vmatrix} $ ; $x_1$=  ,$y_1$=  .
$ X_2 = \begin{vmatrix} x_2 \\ y_2 \end{vmatrix} $ ; $x_2$=  ,$y_2$=  .

4.1.Write an expression for the number of employees who choose travelling internationally after n years, n∈N.
an expression for the number of employees who choose travelling internationally (the second row) after n years is

I(n)=-a(b)$^n$+100 ; a=  ;b=  ;c=  .

4.2.Hence find the long term steady state number of employees to choose to travel internationally.




参考答案:
空格1: 0.5空格2: 0.3空格3: 0.5空格4: 0.7空格5: 80空格6: 80空格7: 64空格8: 96空格9: 1空格10: 1空格11: 3空格12: 5空格13: 20空格14: 0.2空格15: 100


本题详细解析:


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