* tanh function been added
* tanh function been added
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* tanh function is added
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* elu activation is added
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* Mish activation function is added
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* interquartile_range function is added
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* Changes on interquartile_range
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* The window will now remain open after the fractal is finished being drawn, and will only close upon your click.
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* Input for user choose his Collatz sequence
Now the user can tell the algorithm what number he wants to run on the Collatz Sequence.
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polynomial regression using sklearn
Add detailed function documentation, doctests, and algorithm
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---------
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* Fix insertion fail in ["*X", "*XX"] cases
Consider a word, and a copy of that word, but with the last letter repeating twice. (e.g., ["ABC", "ABCC"])
When adding the second word's last letter, it only compares the previous word's prefix—the last letter of the word already in the Radix Tree: 'C'—and the letter to be added—the last letter of the word we're currently adding: 'C'. So it wrongly passes the "Case 1" check, marks the current node as a leaf node when it already was, then returns when there's still one more letter to add.
The issue arises because `prefix` includes the letter of the node itself. (e.g., `nodes: {'C' : RadixNode()}, is_leaf: True, prefix: 'C'`) It can be easily fixed by simply adding the `is_leaf` check, asking if there are more letters to be added.
- Test Case: `"A AA AAA AAAA"`
- Fixed correct output:
```
Words: ['A', 'AA', 'AAA', 'AAAA']
Tree:
- A (leaf)
-- A (leaf)
--- A (leaf)
---- A (leaf)
```
- Current incorrect output:
```
Words: ['A', 'AA', 'AAA', 'AAAA']
Tree:
- A (leaf)
-- AA (leaf)
--- A (leaf)
```
*N.B.* This passed test cases for [Croatian Open Competition in Informatics 2012/2013 Contest #3 Task 5 HERKABE](https://hsin.hr/coci/archive/2012_2013/)
* Add a doctest for previous fix
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---------
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* chore: Fix failing tests (ignore S307 "possibly insecure function")
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* ruff --fix
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* Added recursive algo to calculate product sum from an array
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* Added more test coverage for product_sum method
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* Added apr_interest function to financial
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* Update financial/interest.py
* float
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* updating DIRECTORY.md
* feat: Count negative numbers in sorted matrix
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* Update matrix/count_negative_numbers_in_sorted_matrix.py
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* Update matrix/count_negative_numbers_in_sorted_matrix.py
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* Update matrix/count_negative_numbers_in_sorted_matrix.py
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* Update matrix/count_negative_numbers_in_sorted_matrix.py
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* refactor: Use sum instead of large iteration
* refactor: Use len not sum
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* refactored the code
* the code will now pass the test
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* keyword and plaintext won't have default values
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* updated
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* fixed some difficulties
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