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Machine learning algorithms build a model of the training data. The term "machine learning" is vaguely defined; it includes what is also called statistical learning, reinforcement learning, unsupervised learning, etc. ALWAYS ADD A MORE SPECIFIC TAG.

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Sum of SVM hinge losses always a convex function?

The data loss function for a multi class SVM may take the following expression: \begin{equation} L=\frac{1}{N}\sum_{i}\sum_{j\neq y_i}\left[ \max(0,w_j^Tx_i-w_{y_i}^Tx_i+1)\right] \end{equation} whe …
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