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spones

spones — sparse matrix

Calling sequence

sp=spones(A)

Parameters

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, full, eye, speye, spzeros
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