_________ command calculates the eigen value of the square matrix M.

• A) inv(M)
• B) none of these
• C) eig(M)
• D) sym(M)

What MATLAB function is used to find the determinant of a matrix?

• A) determinant()
• B) rank()
• C) trace()
• D) det()

To enter system of equations 2x+3y=4, 3x-4y=8 into MATLAB as an (augmented) matrix we will write ____________ .

• A) b=[4; 8]; Ab=[[2 3; 3 -4] b]
• B) A=[2 3; 3 -4]; b=[4; 8]; Ab=[A b]
• C) All of these
• D) Ab=[2 3 4; 3 -4 8]

To solve the system of equations 2x+3y=4, 3x-4y=8, we will write _________________ into MATLAB.

• A) b=[4; 8]; Ab=[[2 3; 3 -4] b]; rref(Ab)
• B) rref([2 3 4; 3 -4 8])
• C) All of these
• D) A=[2 3; 3 -4]; b=[4; 8]; Ab=[A b]; rref(Ab)

________ command provides reduced echelon form of a matrix A.

• A) eig
• B) rref(A)
• C) rref
• D) eig(A)

The clc command in MATLAB is used to -------------

• A) clean the desktop
• B) save the existing mfile
• C) None of these
• D) clear the command window

Which of these is the way to access the first element in a vector V?

• A) V(0)
• B) V(: , 0)
• C) V
• D) V(1)

If V=1:3:12 is a vector, then V(3)= -----?

• A) 8
• B) 4
• C) 7
• D) 10

What is the default increment value in a FOR loop?

• A) 3
• B) 2
• C) 0
• D) 1

Once the control variable in FOR loops is outside of the specified range, the loop will --------------

• A) stop repeating
• B) countinue repeating
• C)
• D)

If v = 1:2:10 is a vector, then length(v)= ----?

• A) 5
• B) 2
• C) 7
• D) 10

For loops are ---------- loops.

• A) counter based
• B) conditional based
• C)
• D)

To add a comment to the m-file in MATLAB, __________ sign is used.

• A) ;
• B) %
• C) &
• D) #

Which of the following will correctly define x,y and z as symbols?

• A) sym(x,y,z)
• B) syms x, y, z
• C) syms x y z
• D) sym x, y, z

Loop condition is only checked --------- during each iteration.

• A) 3 times
• B) once
• C) 4 times
• D) 2 times

A fuzzy binary relation R is reflexive if ____________.

• A) R(x,y)=R(y,z)
• B) R(x,x)=1
• C) R(x,y)=R(y,x)
• D) R(x,y)=0

If $x ∆ y=x ∆ z$ and $x=0$ this implies ___________ .

• A) $x=1$
• B) $x=y$
• C) $x=z$
• D) $y=z$

In the context of fuzzy relations, the composition of relations is often used. Which of the following represents the composition of two fuzzy relations R and S?

• A) R∪S
• B) R∩S
• C) R∘S
• D) R∖S

A fuzzy equivalence relation must be:

• A) Reflexive, symmetric, and transitive
• B) Symmetric, antisymmetric, and transitive
• C) Reflexive, antisymmetric, and transitive
• D) None of the above

If f(x)= ex-5, then a = _____________.

• A) e-5
• B) e
• C) e-1
• D) x