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speye
Sparse identity matrix
Syntax
S = speye(n) S = speye(m, n)
Description
Creates a sparse identity matrix. speye(n) creates an n-by-n sparse identity. speye(m,n) creates an m-by-n sparse matrix with ones on the main diagonal.
Parameters
| Name | Description |
|---|---|
| m | Size (or number of rows) |
| n(optional) | Number of columns |
Returns
Sparse identity matrix
Examples
Try It
>> I = speye(100)