spones

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 — единичная матрица
• speye — sparse identity matrix
• spzeros — sparse zero matrix