spones

sparse matrix

Calling Sequence

sp=spones(A)

Arguments

:A sparse matrix : :sp sparse matrix :

Description

sp=spones(A) generates a matrix with the same sparsity structure as A, but with ones in the nonzero positions.

Examples

A=`sprand`_(10,12,0.1);
sp=spones(A)
B = A~=0
`bool2s`_(B)

See Also

• sparse sparse matrix definition
• full sparse to full matrix conversion
• eye identity matrix
• speye sparse identity matrix
• spzeros sparse zero matrix