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Notations and descriptions
| Notation | Definition |
|---|---|
| XT | Target domain data. |
| XSi | The i-th source domain data. |
| ESi | The i-th sparse error matrix of data representation. |
| EPi | The i-th sparse error matrix of transformation matrix. |
| Zi | The i-th low-rank representation matrix. |
| Pi | The i-th specific transformation matrix. |
| P | The common transformation matrix. |
| d | The feature dimension. |
| nSi | The number of samples in the i-th source domain. |
| nT | The number of samples in the target domain. |
