Que.A sparse identity matrix is generated by the ______ command.
|
| a. sparseid |
| b. isparse |
| c. speye |
| d. idensparse |
Que.What is the command used to generate a sparse normally generated matrix?
|
| a. sparserndn |
| b. sprandom |
| c. sprandn |
| d. no such command |
Que.What is the output of the following code?A=[1 2 0 3; 2 8 4 1; sin(Inf) 2 3 4];
P=sparse(A); nnz(P)
|
| a. 11 |
| b. 10 |
| c. Error while declaring A |
| d. Error while making sparse matrix |
Que.The non-zero elements in a sparse matrix are shown by the ______ command.
|
| a. nzeros |
| b. nonzeros |
| c. notzeros |
| d. nozero |
Que.What is the output of the following code?A=[0 Inf/Inf 0 0; 2 9 7 0; sin(Inf) 8 0 0];
P=sparse(A);q=nmz(p); L=full(P);
|
| a. l = a |
| b. l memory > a memory |
| c. l memory < a memory |
| d. l memory != a memory |
Que.The size of the sparse matrix will be ___ the original matrix.
|
| a. equal |
| b. greater than |
| c. less than |
| d. not equal to |
Que.The maximum space allocated for sparse matrices is given by the ____ command.
|
| a. maxsparse |
| b. sparsemax |
| c. nzmax |
| d. no such command |
Que.The output of the following command isa=[1 2 3;4 0 0;3 0 9]; spy(A)
|
| a. a graph of sparsity |
| b. a pattern of sparsity |
| c. syntactical error |
| d. logical error |
Que.The output of the following code is:a=[pi/2 pi 3*pi]; spy[a]
|
| a. Suppressed output |
| b. A pattern of sparsity |
| c. Syntactical error |
| d. Symbolic error |
Que.The spy command takes in multiple matrices.
|
| a. True |
| b. False |
| c. May be True or False |
| d. Can’t say |