(New page: <br> = ECE Ph.D. Qualifying Exam: Automatic Control (AC)- Question 3, August 2011 = ---- <font color="#ff0000"><span style="font-size: 19px;"><math>...) |
|||
| Line 1: | Line 1: | ||
<br> | <br> | ||
| − | = [[ECE PhD Qualifying Exams|ECE Ph.D. Qualifying Exam]]: Automatic Control (AC)- Question 3, August 2011 | + | = [[ECE PhD Qualifying Exams|ECE Ph.D. Qualifying Exam]]: Automatic Control (AC)- Question 3, August 2011 = |
| − | - | + | <font color="#ff0000"><span style="font-size: 19px;"><math>\color{blue}\text{5. } \left( \text{20 pts} \right) \text{ Consider the optimization problem, }</math></span></font> |
| − | + | <font color="#ff0000"><span style="font-size: 19px;" /></font><math>\text{optimize} \left(x_{1}-2\right)^{2}+\left(x_{2}-1\right)^{2}</math> | |
| + | |||
| + | <math>\text{subject to } x_{2}- x_{1}^{2}\geq0</math> | ||
| + | |||
| + | <math>2-x_{1}-x_{2}\geq0, x_{1}\geq0.</math> | ||
| + | |||
| + | <math>\color{blue} \text{The point } x^{*}=\begin{bmatrix} | ||
| + | 0 & 0 | ||
| + | \end{bmatrix}^{T} \text{ satisfies the KKT conditions.}</math> | ||
| + | |||
| + | <math>\color{blue}\left( \text{i} \right) \text{Does } x^{*} \text{ satisfy the FONC for minimum or maximum? Where are the KKT multipliers?}</math> | ||
<math>\color{blue}\text{Solution 1:}</math> | <math>\color{blue}\text{Solution 1:}</math> | ||
| + | |||
| + | |||
---- | ---- | ||
| Line 13: | Line 25: | ||
<math>\color{blue}\text{Solution 2:}</math> | <math>\color{blue}\text{Solution 2:}</math> | ||
| + | <br> | ||
---- | ---- | ||
| − | Automatic Control (AC)- Question 3, August 2011<br> | + | Automatic Control (AC)- Question 3, August 2011<br>Problem 2: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-2<br>Problem 3: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-3<br>Problem 4: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-4<br>Problem 5: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-5<br> |
| − | + | ||
| − | + | ||
| − | + | ||
| − | + | ||
---- | ---- | ||
Revision as of 19:02, 27 June 2012
ECE Ph.D. Qualifying Exam: Automatic Control (AC)- Question 3, August 2011
$ \color{blue}\text{5. } \left( \text{20 pts} \right) \text{ Consider the optimization problem, } $
<span style="font-size: 19px;" />$ \text{optimize} \left(x_{1}-2\right)^{2}+\left(x_{2}-1\right)^{2} $
$ \text{subject to } x_{2}- x_{1}^{2}\geq0 $
$ 2-x_{1}-x_{2}\geq0, x_{1}\geq0. $
$ \color{blue} \text{The point } x^{*}=\begin{bmatrix} 0 & 0 \end{bmatrix}^{T} \text{ satisfies the KKT conditions.} $
$ \color{blue}\left( \text{i} \right) \text{Does } x^{*} \text{ satisfy the FONC for minimum or maximum? Where are the KKT multipliers?} $
$ \color{blue}\text{Solution 1:} $
$ \color{blue}\text{Solution 2:} $
Automatic Control (AC)- Question 3, August 2011
Problem 2: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-2
Problem 3: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-3
Problem 4: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-4
Problem 5: https://www.projectrhea.org/rhea/index.php/ECE-QE_AC3-2011_solusion-5
