# Just Examples
TopHat Quiz
📗 x = 0; y = 0.3; z = 0;
📗 for t = 1:5
📗 x = x + 0.1;
📗 if x == y
📗 z = x;
📗 end
📗 end
📗 z
➩ A: \(0\)
➩ B: \(0.1\)
➩ C: \(0.2\)
➩ D: \(0.3\)
TopHat Quiz
📗 q = 1
📗 for i = 1:2
📗 q = q * 2 i
📗 end
📗 q
📗 A: \(-4\)
📗 B: \(1\)
📗 C: \(4\)
📗 D: \(8\)
TopHat Quiz
📗 log(-1) * i
📗 A: \(-3.1416\)
📗 B: \(3.1416\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 e^(i * pi)
📗 A: \(-1\)
📗 B: \(0\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 m = [1 2; 3 4]; m(3)
📗 A: \(2\)
📗 B: \(3\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 m = [1 2 3; 4 5 6; 7 8 9]; m(7)
📗 A: \(3\)
📗 B: \(7\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 sum(ones(2))
📗 A: \(2\)
📗 B: \(4\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 ones(2) / zeros(2)
📗 A: \(\begin{bmatrix} \text{Inf} & \text{Inf} \\ \text{Inf} & \text{Inf} \end{bmatrix}\)
📗 B: \(\begin{bmatrix} \text{NaN} & \text{NaN} \\ \text{NaN} & \text{NaN} \end{bmatrix}\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 zeros(2) / ones(2)
📗 A: \(\begin{bmatrix} \text{Inf} & \text{Inf} \\ \text{Inf} & \text{Inf} \end{bmatrix}\)
📗 B: \(\begin{bmatrix} \text{NaN} & \text{NaN} \\ \text{NaN} & \text{NaN} \end{bmatrix}\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 3 < 2 < 1
📗 A: \(0\)
📗 B: \(1\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 2 < 1 < 0
📗 A: \(0\)
📗 B: \(1\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 1:3 + 1:3
📗 A: \(\begin{bmatrix} 1 & 2 & 3 & 1 & 2 & 3 \end{bmatrix}\)
📗 B: \(\begin{bmatrix} 2 & 4 & 6 \end{bmatrix}\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 i = 2; 1 * i + 1
📗 A: \(3\)
📗 B: \(1 + i\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 i = 2; 1 i + 1
📗 A: \(3\)
📗 B: \(1 + i\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 max(1, 1/0)
📗 A: \(1\)
📗 B: \(\text{Inf}\)
📗 C: something else
📗 D: error
TopHat Quiz
📗 max(1, 0/0)
📗 A: \(1\)
📗 B: \(\text{Inf}\)
📗 C: something else
📗 D: error
📗 Notes and code adapted from the course taught by Professors Beck Hasti and Michael O'Neill.
📗 You can expand all TopHat Quizzes and Discussions: Expand .
📗 If there is an issue with TopHat during the lectures, please submit your answers on paper (include your Wisc ID and answers) or this Google form
Form at the end of the lecture.