sigpy.l1_proj

sigpy.l1_proj(eps, input)

Projection onto L1 ball.

Parameters:

• eps (float, or array) – L1 ball scaling.
• input (array) –

Returns:

Result.

Return type:

array

References

J. Duchi, S. Shalev-Shwartz, and Y. Singer, “Efficient projections onto the l1-ball for learning in high dimensions” 2008.