Methods › General › Activation Functions › Sigmoid Activation

Sigmoid Activation

7,112 papers tagged archive 2025-07-28

archive 2025-07-28 Description, source and code snippet are the archive's method entry.

Sigmoid Activations are a type of activation function for neural networks:

f(x) = 1/(1+exp(-x))

Some drawbacks of this activation that have been noted in the literature are: sharp damp gradients during backpropagation from deeper hidden layers to inputs, gradient saturation, and slow convergence.

See Code · pytorch/pytorch

Papers archive 2025-07-28

30 shown of 7,112, newest first. Repository counts are the archive's code-links table. A Syntology line states what Syntology ran from that paper's harvested code; it is per sample and not a correctness claim.

Tasks archive 2025-07-28

20 shown of 1,537 tasks the archive attaches to papers tagged with this method, by distinct papers. A task without a page in the catalog is plain text.

TaskPapers
Sentence436
Time Series410
Language Modelling405
Decoder383
Time Series Analysis346
General Classification340
Translation338
Language Modeling331
Neural Architecture Search317
Prediction292
Classification270
Image Classification262
Sentiment Analysis259
Deep Learning257
Transfer Learning242
Machine Translation229
Speech Recognition214
Word Embeddings211
Object Detection209
image-classification203

Usage over time archive 2025-07-28

Papers per year tagged with Sigmoid Activation: 2014 to 2025, peak 1,143 1,143 0 2014: 13 papers 2014 2015: 64 papers 2015 2016: 181 papers 2016 2017: 339 papers 2017 2018: 694 papers 2018 2019: 1069 papers 2019 2020: 1143 papers 2020 2021: 1039 papers 2021 2022: 772 papers 2022 2023: 743 papers 2023 2024: 745 papers 2024 2025: 310 papers 2025
Papers per year the archive tags with this method, by the paper's archive date (7,112 dated). Bars are counts, not a trend claim.

Components: the archive holds no method-to-method composition, so PwC's Components table cannot be rebuilt; the Papers list carries no Results column for the same reason (the archive does not join its leaderboard rows to method tags).

Categories archive 2025-07-28

Activation Functions

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