Matrix Multiplication
An operation between two matrices that produces a new matrix via row-column dot products.
Articles in the permanent category
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Binary Cross-Entropy Loss
A loss function for binary and multi-label classification, also known as log loss.
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Categorical Cross-Entropy Loss
A loss function for multiclass classification: softmax followed by negative log-likelihood.
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Cross-Entropy
A measure of how well one probability distribution encodes events from another.
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Information Entropy
A measure of uncertainty — highest when all outcomes are equally likely, lowest when one dominates.
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