Renamed sigmoid to logistic
#2
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Types of changes
Related: #1
Description
Renamed
sigmoidtologisticfor a more accurate (literal) match to the concept.The term
sigmoidis often used to refer to the logistic function, but this is not entirely accurate because it covers a large variety of functions (e.g. erf, tanh, arctan).Examples:

In this case, the term
logisticis more appropriate.Standard logistic function:

Future improvements
The change eliminates semantic ambiguities, allowing more sigmoid functions to be implemented in the future.
External links
https://en.wikipedia.org/wiki/Sigmoid_function
https://en.wikipedia.org/wiki/Logistic_function
https://ru.wikipedia.org/wiki/Сигмоида
https://ru.wikipedia.org/wiki/Логистическое_уравнение