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shunanzhang committed Nov 23, 2017
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13 changes: 5 additions & 8 deletions docs/algo/admm_lr_on_angel_en.md
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Expand Up @@ -31,7 +31,7 @@ ADMM can blend in methods with high precision (e.g. Newton's method) in each ite

The specific objective function of the Sparse Logistic Regression is:

![](../img/admm_loss.png)
![](../img/admm_loss_en.png)

Following the iteration steps of ADMM until updates of w and z become smaller than their pre-determined thresholds.

Expand All @@ -42,7 +42,7 @@ For implementation of ADMM on Angel, we use the framework known as ADMM—Split
![](../img/admm_loss_angel_en.png)


The above constrained objective implies that $x_i$ from each data block needs to equal $z$, thus $z$ belongs to the global model.
The above constrained objective implies that x_i from each data block needs to equal z, thus z belongs to the global model.

The implementation steps of ADMM on Angel are:

Expand All @@ -57,16 +57,13 @@ We show the implementation chart below:


* **Local Models**
![](../img/admm_u_x.png)
![](../img/admm_u_x_en.png)

* **Global Models**

* z
![](../img/admm_z.png)
![](../img/admm_z_s_en.png)

* S function
![](../img/admm_z_s.png)

## 3. Execution & Performance

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