<< speye

Sparse type

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spones

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Replaces non zero sparse matrix elements with ones.

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Syntax

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s = spones(S)

Input argument

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S

Sparse or 2D matrix.

Output argument

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S

a sparse matrix.

Description

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s = spones(S) returns a matrix s with the same sparsity structure as S, but with one's in the nonzero positions.

Example

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S = sparse([1,0;3,4]);
R = spones(S)

See also

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speye, sparse.

History

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Version	Description
1.0.0	initial version

Author

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Allan CORNET