S = speye()
S = speye(n)
S = speye(n, m)
S = speye(sz)
| Parameter | Description |
|---|---|
| n, m | dimension sizes: nonnegative integer scalar. |
| sz | dimension sizes: two-element row vector. |
| Parameter | Description |
|---|---|
| S | a sparse matrix. |
S = speye() returns a sparse scalar 1.
S = speye(n) returns a sparse n-by-n identity matrix, with ones on the main diagonal.
S = speye(n, m) returns a sparse n-by-m matrix, with ones on the main diagonal.
S = speye(sz) returns a matrix with ones on the main diagonal.
tic();S = speye(5000, 5000);toc()
tic();S = sparse(eye(5000, 5000));toc()
| Version | Description |
|---|---|
| 1.0.0 | initial version |