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ENG1014 - Engineering Numerical Analysis - S1_2023


Question 4

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For the following situation, with theta = 30 degrees, which of the following lines of code is correct?

 

 

a.   F_y = -F*cosd(theta)

b.   F_x = F*cos(pi/180*theta)

c.   F_y = -F*sin(pi/3)

d.   F_x = F*cos(30)

 

Question 5

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Which of the following is true if length() is used on a m-by-n matrix where n < m?

Select one:

0 a.   The value m is returned

0 b.   The value n is returned

0 c.   The value round(m/n) is returned

0 d.   The value oor(m/n) is returned

0 e.   The value m*n is returned

 

Question 6

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You wish to declare an anonymous function for the equation:

 

What is the minimum number of full-stops that need to be included in the anonymous function definition to allow the function to be performed in an element-by-element manner for a vector x?

 a.   6

0 b.   3

 c.   5

0 d.   4