Commit Graph

2019 Commits

Author SHA1 Message Date
Christian Clauss
1d606d8772 Dijkstra's Bankers algorithm (#1650)
* Dijkstra's Bankers algorithm

@bluedistro, Your review please.  A second shot at #1645 

Implementation of the Dijkstra's Banker's algorithm with test examples and a comprehensible description.

* fixup! Format Python code with psf/black push

* Delete back_propagation_neural_network.py

* Create back_propagation_neural_network.py

* fixup! Format Python code with psf/black push
2020-01-03 22:26:16 +08:00
Christian Clauss
28419cf839 pyupgrade --py37-plus **/*.py (#1654)
* pyupgrade --py37-plus **/*.py

* fixup! Format Python code with psf/black push
2020-01-03 22:25:36 +08:00
Christian Clauss
34c808b375 actions/checkout@v2 (#1643)
* actions/checkout@v2

https://github.com/actions/checkout/releases

* fixup! Format Python code with psf/black push
2019-12-26 19:50:12 +08:00
Yash Bhardwaj
1b3985837f Update back_propagation_neural_network.py (#1342)
* Update back_propagation_neural_network.py

Added comments below functions

* Update back_propagation_neural_network.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-26 04:14:47 +01:00
Anzo Teh
725834b9bc Added binary exponentiaion with respect to modulo (#1428)
* Added binary exponentiaion with respect to modulo

* Added miller rabin: the probabilistic primality test for large numbers

* Removed unused import

* Added test for miller_rabin

* Add test to binary_exp_mod

* Removed test parameter to make Travis CI happy

* unittest.main()  # doctest: +ELLIPSIS   ...

* Update binary_exp_mod.py

* Update binary_exp_mod.py

* Update miller_rabin.py

* from .prime_check import prime_check

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-24 07:23:15 +01:00
Dhakad9
aa18600e22 Stack using double linked list (#1413)
* Stack using double linked list

* Test with doctests

* Update stack_using_dll.py

* Update stack_using_dll.py

* Update stack_using_dll.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-21 02:46:49 +01:00
Hocnonsense
81ae5adcc8 Update binary_search_tree.py (#1339)
* Update binary_search_tree.py

remove some bugs

* Update binary_search_tree.py

* Update binary_search_tree.py

* Update binary_search_tree.py

* Update binary_search_tree.py

* Update binary_search_tree.py

* Update binary_search_tree.py

* testlist = (8, 3, 6, 1, 10, 14, 13, 4, 7)

* Update .travis.yml

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-21 01:44:31 +01:00
Jasper
3242682473 Create roman_to_integer.py (#1636)
* added roman to integer conversion (LeetCode No. 13)

* updated directory to include Roman to Integer

* Delete DIRECTORY.md

* Update roman_to_integer.py

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-21 00:23:15 +01:00
Saransh Gupta
1d9266eca0 Fixed warning string for Key B = 0 (#1639)
* Fixed warning string for Key B = 0

* Update affine_cipher.py

* Update affine_cipher.py

* decrypt_message(encrypt_message())

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-20 23:52:43 +01:00
faizan2700
c67776da59 other/integeration_by_simpson_approx.py is added for approximate integeration (#1638)
* new file *iterating_through_submasks* is added in dynamic_programming section

* no changes

* *iterating_through_submasks.py is added in dynamic_programming

* iterating_through_submasks is added with doctests

* iterating_through_submasks.py is added in dynamic_programming

* changes made in *iterating_through_submasks.py

* changes made in *iterating_through_submasks.py

* updated

* *other/integeration_by_simpson_approx.py added

* *other/integeration_by_simpson_approx.py Added for integeration

* Delete iterating_through_submasks.py

* Delete DIRECTORY.md

* Revert "updated"

This reverts commit 73456f85de.

* changes made *integeration_by_simpson_approx.py

* update2

Co-authored-by: Christian Clauss <cclauss@me.com>
2019-12-20 20:27:32 +01:00
Kyle
5f57ac975f Add docstr and algorithm to BFS shortest path module (#1637)
* Add docs and type alias to bfs_shortest_path.py

* Add bfs_shortest_path_distance algorithm

* Make requested changes
2019-12-19 10:40:16 +01:00
faizan2700
86dbf0a9d3 file iterating_through_submasks.py for given mask is added in dynamic_programming (#1635)
* new file *iterating_through_submasks* is added in dynamic_programming section

* no changes

* *iterating_through_submasks.py is added in dynamic_programming

* iterating_through_submasks is added with doctests

* iterating_through_submasks.py is added in dynamic_programming

* changes made in *iterating_through_submasks.py

* changes made in *iterating_through_submasks.py

* updated
2019-12-18 19:55:12 +05:30
Iqrar Agalosi Nureyza
1af4c02ba6 adding doctests on coin_change.py and fixed some typos (#1337)
* adding doctests on coin_change.py

* fixed some typos

* Update lib.py
2019-12-18 08:35:03 +01:00
Rohit Joshi
f4779bc04a Bug Fixed in newton_raphson_method.py (#1634)
* Bug Fixed

* Fixed newton_raphson_method.py

* Fixed newton_raphson_method.py 2

* Fixed newton_raphson_method.py 3

* Fixed newton_raphson_method.py 4

* Fixed newton_raphson_method.py 5

* Fixed newton_raphson_method.py 6

* Update newton_raphson_method.py

* Update newton_raphson_method.py

* # noqa: F401, F403

* newton_raphson

* newton_raphson

* precision: int=10 ** -10

* return float(x)

* 3.1415926536808043

* Update newton_raphson_method.py

* 2.23606797749979

* Update newton_raphson_method.py

* Rename newton_raphson_method.py to newton_raphson.py
2019-12-15 08:27:07 +01:00
Muhammad Ibtihaj Naeem
bc5b92f7f9 Harmonic Geometric and P-Series Added (#1633)
* Harmonic Geometric and P-Series Added

* Editing comments

* Update and rename series/Geometric_Series.py to maths/series/geometric_series.py

* Update and rename series/Harmonic_Series.py to maths/series/harmonic_series.py

* Update and rename series/P_Series.py to maths/series/p_series.py
2019-12-14 06:46:02 +01:00
heartsmoking
d385472c6f Update find_min.py (#1627)
Line 5:     :return: max number in list   
"max" must be "min"
2019-12-11 07:57:08 +01:00
Christian Clauss
b9bff8f3a7
Remove \r from strings (#1622)
* Remove \r from strings

* Satisfy tensorflow with numpy>=1.17.4
2019-12-10 15:53:50 +01:00
Binish Manandhar
1cbeaa252a Image processing algorithms added (#616)
* Image processing algorithms added

* Example images included

* Issues resolved

* class added

* Naming issues fixes

* Create file_path
2019-12-10 07:52:40 +01:00
Shoaib Asgar
9316618611 digital_image_processing/convert_to_negative (#1216)
* digital_image_processing/convert_to_negative

* added doc

* added test code

* Update convert_to_negative.py
2019-12-09 03:29:01 +01:00
Samarth Sehgal
02b717e364 Update odd_even_transposition_parallel.py (#1458)
* Update odd_even_transposition_parallel.py

* arr = OddEvenTransposition(arr)
2019-12-08 23:43:56 +01:00
Jawpral
74d96ab355 Fixed issue #1368 (#1482)
* Changed as suggested

Now return in same format as oct() returns

* Slight change

* Fixed issue #1368, return values for large number now is fixed and does not return in scientific notation

* Update decimal_to_octal.py
2019-12-08 23:27:42 +01:00
ELNS
43905efe29 Adding doctests into LDA algorithm (#1621)
* Adding doctests into <gaussian_distribution> function

* Adding doctests into <y_generator> function

* Adding doctests into <calculate_mean> function

* Adding doctests into <calculate_probabilities> function

* Adding doctests into <calculate_variance> function

* Adding doctests into <predict_y_values> function

* Adding doctests into <accuracy> function

* fixup! Format Python code with psf/black push

* Update convex_hull.py

* Update convex_hull.py
2019-12-08 23:15:17 +01:00
Christian Clauss
26b0803319
Simplify sudoku.is_completed() using builtin all() (#1608)
* Simplify sudoku.is_completed() using builtin all()

Simplify __sudoku.is_completed()__ using Python builtin function [__all()__](https://docs.python.org/3/library/functions.html#all).

* fixup! Format Python code with psf/black push

* Update sudoku.py

* fixup! Format Python code with psf/black push

* Old style exception -> new style for Python 3

* updating DIRECTORY.md

* Update convex_hull.py

* fixup! Format Python code with psf/black push

* e.args[0] = "msg"

* ValueError: could not convert string to float: 'pi'

* Update convex_hull.py

* fixup! Format Python code with psf/black push
2019-12-08 22:42:17 +01:00
GeorgeChambi
9eb50cc223 Improved readability (#1615)
* improved readability

* further readability improvements

* removed csv file and added f
2019-12-07 06:39:59 +01:00
Níkolas Vargas
938dd0bbb5 improved prime numbers implementation (#1606)
* improved prime numbers implementation

* fixup! Format Python code with psf/black push

* fix type hint

* fixup! Format Python code with psf/black push

* fix doctests

* updating DIRECTORY.md

* added prime tests with negative numbers

* using for instead filter

* updating DIRECTORY.md

* Remove unused typing.List

* Remove tab indentation

* print("Sorted order is:", " ".join(a))
2019-12-07 06:39:08 +01:00
SHAKTI SINGH
ccc1ff2ce8 pigeonhole sorting in python (#364)
* pigeonhole sorting in python

* variable name update in pigeonhole_sort.py

* Add doctest
2019-12-06 07:34:21 +01:00
João Gustavo A. Amorim
3cfca42f17 add the index calculation class at digital_image_processing and the hamming code algorithm at hashes (#1152)
* add the index calculation at difital_image_processing file

* make changes at index_calculation

* update the variables to self variables at functions

* update the word wrap in comments at index_calculation

* add the hamming code algorithm

* Wrap long lines
2019-12-06 07:13:10 +01:00
Bardia Alavi
494fb4fb49 address merge_soft duplicate files (#1612)
Here the old file merge_sort_fastest is renamed to unknown_sort. Because it is not merge sort algorithm.

Comments are updated accordingly.
2019-12-05 05:06:41 +01:00
QuantumNovice
caad74466a Added Multilayer Perceptron (sklearn) (#1609)
* Added Multilayer Perceptron ( sklearn)

* Rename MLPClassifier.py to multilayer_preceptron_classifier.py

* Rename multilayer_preceptron_classifier.py to multilayer_perceptron_classifier.py

* Update multilayer_perceptron_classifier.py
2019-12-03 12:17:42 +01:00
GeorgeChambi
8ffc4f8706 fixed bug (#1610)
Removed comma from print statement causing and error.
2019-12-03 12:14:30 +01:00
Abhijit Patil
74aeaa333f Code for Eulers Totient function (#1229)
* Create eulersTotient.py

* Rename eulersTotient.py to eulers_totient.py

* Update eulers_totient.py
2019-12-01 06:58:25 +01:00
Bruno Santos
4dca9571db Pythagoras (#1243)
* add pythagoras.py

* function distance

* run as script

* Update pythagoras.py
2019-12-01 06:29:23 +01:00
Bruno Santos
415c9f5e65 Improve prim.py (#1226)
* suiting PEP8

* create auxiliary function

* running example

* updating DIRECTORY.md
2019-12-01 06:13:28 +01:00
Saurabh Goyal
5d20dbfb98 add a generic heap (#906)
* add a generic heap

* Delete __init__.py

* Rename data_structures/Heap/heap_generic.py to data_structures/heap/heap_generic.py

* Add doctests

* Fix doctests

* Fix doctests again
2019-11-30 06:17:13 +01:00
Christian Clauss
2fb6f786ce Typo in a comment (#1603) 2019-11-29 00:23:37 +05:30
ELNS
f4a7c5066c converting generator object to a list object (#1602)
* converting generator object to a list object

* Refactor: converting generator object to a list object

* fixup! Format Python code with psf/black push
2019-11-28 17:21:34 +01:00
Christian Clauss
4baf3972e1 GitHub Action to mark stale issues and pull requests (#1594) 2019-11-27 18:30:21 +08:00
ELNS
140b79b4b2 Adding Linear Discriminant Analysis (#1592)
* Adding new file to the machine_learning directory

* Adding initial documentation

* importing modules

* Adding Normal_gen function

* Adding Y_gen function

* Adding mean_calc function

* Adding prob_calc function

* Adding var_calc function

* Adding predict function

* Adding accuracy function

* Adding main function

* Renaming LDA file

* Adding requested changes

* Renaming some of functions

* Refactoring str.format() statements to f-string

* Removing unnecessary list objects inside two functions

* changing code style in some lines

* Fixing y_generator function

* Refactoring 'predict_y_values' function by using list comprehensions

* Changing code style in import statements

* Refactoring CLI code block

* fixup! Format Python code with psf/black push

* No lines longer than 88 characters
2019-11-26 12:57:53 +01:00
Vikas Kumar
0d3c9d586c Update singly_linked_list.py (#1593)
* Update singly_linked_list.py

printing current.data rather than node address in __repr__ for a more readable print statement

* eval(repr(c)) == c

The output of `__repr__()` _should look like a valid Python expression that could be used to recreate an object with the same value_.

https://docs.python.org/3.4/reference/datamodel.html#object.__repr__

* += --> +
2019-11-26 06:45:28 +01:00
achance6
2ad5a1f083 Implemented simple keyword cipher (#1589)
* Implemented simple keyword cipher

* Added documentation and improved input processing

* Allow object's hash function to be called

* added to string functionality

* reverted

* Revised according to pull request #1589

* Optimized imports

* Update simple_keyword_cypher.py

* Update hash_table.py
2019-11-23 16:52:32 +01:00
vansh bhardwaj
4c75f863c8 added current stock price (#1590)
* added current stock price

* Ten lines or less
2019-11-23 13:54:06 +01:00
BryanChan777
e09bf69648 Update README.md (#1588)
* Update README.md

* python -m unittest -v
2019-11-23 04:06:52 +01:00
Arun Babu PT
c5fd075f1e Fractional knapsack (#1524)
* Add files via upload

* Added doctests, type hints, f-strings, URLs

* Rename knapsack.py to fractional_knapsack.py

* Rename graphs/fractional_knapsack.py to dynamic_programming/fractional_knapsack_2.py
2019-11-22 22:55:19 +08:00
Christian Clauss
ec7bc7c7cd Tabs --> spaces in quine_mc_cluskey.py (#1426)
* Tabs --> spaces in quine_mc_cluskey.py

* fixup! Format Python code with psf/black push
2019-11-21 22:21:40 +08:00
Fakher Mokadem
e8aa81297a Update gaussian_filter.py (#1548)
* Update gaussian_filter.py

Changed embedded for loops with product. This way range(dst_height) is called only once, instead of being called $dst_height.

* Update gaussian_filter.py

fixed missing width
2019-11-20 11:06:32 +05:30
John Law
28c02a1f21
Improve bellman_ford.py (#1575)
* Fix out of range error in bellman_ford.py

* Update bellman_ford.py

* fixup! Format Python code with psf/black push

* Enhance the print function

* fixup! Format Python code with psf/black push
2019-11-19 13:52:55 -08:00
onlinejudge95
c57c4ca1a1 Adds operations for circular linked list (#1584)
* Adds, append, len, print operations for circular linked list

* Adds, prepend support

* Adds, delete from front of the list

* Adds, delete_rear support

* Adds, method documentations

* Adds, type checking and doctests

* Updates doctest for delete ops

* Addressing requested changes

* Removes unused import

* Fixes failing doctests

* Minor modifications...
2019-11-19 10:53:44 +01:00
Sarath Kaul
2565797504 Reverse Words (#1581)
* Word Occurence Script Added

* Word Occurence Script Updated

* Added doctest using collections.Counter

https://docs.python.org/3/library/collections.html#collections.Counter

* Reverse Word Script Added

* Reverse Word Script Added

* Reverse Word Script Added

* Reverse Word Script Added

* Word Occurence Script Added

* Reverse Word Script Added

* Reverse Word Script Added

* Reverse Words DocTest Updated

* Word Occurence Updated

* Doctest Updated

* Doctest Updated

* Doctest Updated
2019-11-18 12:47:26 +01:00
Himanshu Bhatnagar
0832e1ec58 Adding circular_queue.py (#1574)
* Create circular_queue.py

Circular Queue implementation using python list with fixed range.

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* Update circular_queue.py

* doctest: Catch "Exception: UNDERFLOW"

* Deal with the fluent interface for cq.enqueue()

* Test the fluent interface
2019-11-17 19:59:50 +01:00
Mantas Zimnickas
12f69a86f5 Remove code with side effects from main (#1577)
* Remove code with side effects from main

When running tests withy pytest, some modules execute code in main scope
and open plot or browser windows.

Moves such code under `if __name__ == "__main__"`.

* fixup! Format Python code with psf/black push
2019-11-17 19:38:48 +01:00