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Справка Scilab >> Sparse Matrix > Sparse Matrix Manipulation > spones

spones

sparse matrix

Syntax

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 — единичная матрица
  • speye — sparse identity matrix
  • spzeros — sparse zero matrix
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Last updated:
Tue Feb 14 15:13:25 CET 2017