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 ,