objectiveL1

Objective function for ridge L1 penalty

Utilities for sparse signal recovery suitable for compressed sensing. L1, L2 and TV penalties, DFT basis matrix, simple sparse signal generator, mutual cumulative coherence between two matrices and examples, Lp complex norm, scaling back regression coefficients.

Mehmet Suzen

R1magic

Compressive Sampling: Sparse Signal Recovery Utilities

objectiveL1 function

<dl><dt>x,</dt>
<dd>unknown vector</dd>
<dt>T,</dt>
<dd>transform bases</dd>
<dt>phi,</dt>
<dd>measurement matrix</dd>
<dt>y,</dt>
<dd>measurement vector</dd>
<dt>lambda,</dt>
<dd>penalty term</dd></dl>

Arguments

Author

Objective function for ridge L1 penalty — objectiveL1

<dl>

<dt>x,</dt>
<dd>unknown vector</dd>


<dt>T,</dt>
<dd>transform bases</dd>


<dt>phi,</dt>
<dd>measurement matrix</dd>


<dt>y,</dt>
<dd>measurement vector</dd>


<dt>lambda,</dt>
<dd>penalty term</dd>

</dl>

objectiveL1: Objective function for ridge L1 penalty

Description

Usage

Arguments

Author