MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Matlab knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Choose the function to solve the following problem, symbolically, in the easiest way. |
| A. | linsolve(x,y) where x and y are the co-efficient and result matrix respectively |
| B. | solve(x,y) where x and y are the co-efficient and result matrix respectively |
| C. | sol(x,y) where x and y are the co-efficient and result matrix respectively |
| D. | the equations are not solvableView Answer |
| Answer» B. solve(x,y) where x and y are the co-efficient and result matrix respectively | |
| 2. |
What is the difference between a[] and a{}? |
| A. | a[] is for empty cell array while a{} is for empty linear array |
| B. | a[] is for empty linear array while a{} is for empty cell array |
| C. | No difference |
| D. | a[] is an empty row vector while a{} is an empty column vector |
| Answer» C. No difference | |
| 3. |
If a./b=(b./a)T, what can be concluded about the matrices a and b? |
| A. | a = bT |
| B. | a = b-1 |
| C. | a = b’ |
| D. | nothing special |
| Answer» B. a = b-1 | |
| 4. |
If A and B are two matrices, such that a./b=b.\a, what is concluded? |
| A. | Nothing special |
| B. | A = AT |
| C. | A = A-1 |
| D. | A = A |
| Answer» B. A = AT | |
| 5. |
Which operator set is used for left and right division respectively? |
| A. | .\ and ./ |
| B. | ./ and .\ |
| C. | Left division and right division is not available in MATLAB |
| D. | / and \ |
| Answer» B. ./ and .\ | |
| 6. |
Which code is used to solve the system of linear equation: A.(x2)= B? |
| A. | sqrt([1 4;1 4]/[1 2;1 2]) |
| B. | Inf |
| C. | sqrt([1 4,1 4]/[1 2,1 2]) |
| D. | sqrt[(1 4;1 4]/[1 2;1 2)] View Answer |
| Answer» B. Inf | |
| 7. |
What is the function used to multiply a matrix, A, with itself n times?a) mtimes(A,n)b) ntimes(A,n)c) mtimes(n, |
| A. | mtimes(A,n) |
| B. | ntimes(A,n) |
| C. | mtimes(n,A) |
| D. | mtimes(A^n) |
| Answer» B. ntimes(A,n) | |
| 8. |
Which code can be used for changing the dimensions of a matrix as follows? |
| A. | reshape([1,2,3;4,5,6],1,6) |
| B. | reshape([1,2,3;4,5,6];1;6) |
| C. | reshape([1,2,3;4,5,6]:1:6) |
| D. | reshape([1,2,3;4,5,6],6,1)View Answer |
| Answer» B. reshape([1,2,3;4,5,6];1;6) | |
| 9. |
Which code will help to concatenate two matrices easily in 2 dimensions? |
| A. | cat(A,B) |
| B. | cat(2,[1 2;3 4], [1 2; 3 4]) |
| C. | cat(2;[1 2,3 4]; [1 2, 3 4]) |
| D. | cat([1 2;3 4], [1 2; 3 4])View Answer |
| Answer» C. cat(2;[1 2,3 4]; [1 2, 3 4]) | |
| 10. |
What is the advantage of MATLAB over other computing software with matrix dimensions? |
| A. | No advantage |
| B. | Real time pre-defined memory allocation |
| C. | Real time user-defined memory allocation |
| D. | Matrix operations are easily computed |
| Answer» D. Matrix operations are easily computed | |
| 11. |
What is the symbol used to evaluate the transpose of a vector? |
| A. | “ ^ ” |
| B. | “ * ” |
| C. | “ ‘ ” |
| D. | “ ~ ” |
| Answer» D. “ ~ ” | |
| 12. |
To see the sub-matrix with aij for 2<=i<=4 and 1<=j<=2 of a matrix a, of order 5*6, which code is used? |
| A. | a(2;4,1;2) |
| B. | a(2,4:1,2) |
| C. | a(2:4,1:2) |
| D. | a(2,4;1,2) |
| Answer» D. a(2,4;1,2) | |
| 13. |
How many errors will MATLAB show if the following code entered? |
| A. | 2 |
| B. | 1 |
| C. | No error |
| D. | 4View Answer |
| Answer» C. No error | |
| 14. |
Vectors depend upon brackets while scalars don’t. |
| A. | True |
| B. | False |
| Answer» B. False | |