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Author SHA1 Message Date
Jai Kumar Dewani
5ef5f67a51 Added more details about the problem statement (#1367) 
* Update DIRECTORY

* Updated DIRECTORY

* Fixed bug in directory build and re-build the directory.md

* fixed url issue

* fixed indentation in Directory.md

* Add problem-18 of project-euler

* Delete sol1.py

* Delete files

* Added more details to question

* Added doctest in printNGE()

* Made changes to fix Travis CI build

* Remove the trailing whitespace
 2019-10-18 21:14:01 +02:00
Jigyasa G
a7f3851939 fuzzy operations added (#1310) 
* fuzzy operations added

* fuzzy inference system added

* unnecessary files removed

* requirements added

* Modified requirements for travis ci

* Modified requirements for travis ci

* Add scikit-fuzzy to requirements.txt
 2019-10-18 20:26:48 +02:00
Hrishikesh Suslade
4590363806 Added Pytests for Decission Tree mean_squared_error method (#1374) 
* Added Pytests for Decission Tree

Modified the mean_squared_error to be a static method

Created the Test_Decision_Tree class
Consists of two methods
1. helper_mean_squared_error_test: This method calculates the mean squared error manually without using
numpy. Instead a for loop is used for the same.
2. test_one_mean_squared_error: This method considers a simple test case and compares the results by the
helper function and the original mean_squared_error method of Decision_Tree class. This is done using asert
keyword.

Execution:
PyTest installation
pip3 install pytest OR pip install pytest

Test function execution
pytest decision_tree.py

* Modified the pytests to be compatible with the doctest
Added 2 doctest in the mean_squared_error method
For its verification a static method helper_mean_squared_error(labels, prediction) is used
It uses a for loop to calculate the error instead of the numpy inbuilt methods
Execution
```
pytest .\decision_tree.py --doctest-modules
```
 2019-10-18 20:23:37 +02:00
Hocnonsense
179284a41b Update treap.py (#1358) 
* Update treap.py

check merge()

* Update treap.py

random() is used. its difficult to write doctests
l->left
r->right
key->value
add __repr__ and __str__ in preorder
 2019-10-18 09:39:37 +02:00
Mariusz Skoneczko
7376addcd5 Implement Linked Queue and Linked Stack data structures (#1324) 
* Add LinkedQueue

* Add LinkedStack
 2019-10-18 08:38:31 +02:00
Pierrick
e177198177 Add unicode support in ciphers/base64_cipher.py script. (#1316) 
* Add unicode support in ciphers/base64_cipher.py script.

* Add doctests and correct the padding length computation in base64_cipher.
 2019-10-18 08:35:13 +02:00
archit kaushal
2197bfa029 #840 adds polymonial regression program in python (#1235) 
* #840 adds polymonial regression program in python

* Update polymonial_regression.py

* Update polymonial_regression.py
 2019-10-18 08:20:22 +02:00
Phyllipe Bezerra
455509acee Add Topological Sort (#1302) 
* add topological sort

* fix topological sort?

* running black

* renaming file
 2019-10-18 08:13:58 +02:00
Jigyasa G
ddb094919b Adding doctests for fractional_knapsack.py (#1331) 
* Adding doctests for fractional_knapsack.py

* Update fractional_knapsack.py
 2019-10-18 08:13:20 +02:00
Laisha Wadhwa
9c634735d3 added fibonacci_search.py (#1341) 
* added fibonacci_search.py

* added Fibonacci_search.py after error handling

* added doctests
 2019-10-18 08:10:08 +02:00
Yurii
b7fb0630f2 Feature/fix caesar cipher (#1350) 
* change var names for better reading

* rewrite encrypt function to fix ascii char ranges

* fix decrypt function

* update formatting (add f-strings)

* upd fuctions

* add f-string formatting (python3.6+)

* add type hints (python3.4+)
 2019-10-18 07:36:52 +02:00
Yurii
3cc3531076 Feature/update least common multiple (#1352) 
* renamed module to extend the acronym

* add type hints (will not work with Python less than 3.4)

* update docstring

* refactor the function

* add unittests for the least common squares multiple
 2019-10-18 07:35:29 +02:00
Yurii
870eebf349 rewrite the algorithm from scratch (#1351) 2019-10-18 07:27:55 +02:00
Stephen
14c23bc847 create qr_decomposition (#1363) 2019-10-18 06:48:16 +02:00
aritrartira
28b964c9b5 Added missing problem statements (#1364) 2019-10-18 06:46:13 +02:00
Du YuanChao
83c104e839 Divide and Conquer (#1308) 
Thanks for your persistence!
 2019-10-18 06:20:36 +02:00
Milad Sadeghi DM
63d8cadc3e Fixing Some Minor Issues (#1386) 
* Replacing mutable default argument in __init__

* Fixing typo mistakes in lib.py

* Simplifying chained comparisons

* Update lib.py
 2019-10-17 20:13:28 +02:00
Stephen
927a8c7722 added horner's method (#1360) 2019-10-17 16:50:51 +02:00
Andrii Siriak
dcee2eac68 Update build badge (#1378) 
* Update build badge

* Update README.md
 2019-10-17 16:02:40 +02:00
Aliabbas Merchant
b190c8f629 Rename GCD File (#1354) 2019-10-15 00:05:51 +05:30
Jigyasa G
67291a5bce Modified longest_common_ssubsequence.py for successful doctests (#1332) 2019-10-12 02:32:41 +08:00
Jigyasa G
e678879892 Adding doctests for sum_of_subset.py (#1333) 2019-10-12 02:29:50 +08:00
Jigyasa G
ea47ae2932 Adding missing Doctests (#1330) 
* Adding doctests in abbreviation

* Adding doctests in fibonacci.py
 2019-10-10 00:20:19 +05:00
Jigyasa G
b6cc37d461 mergesort added (#1313) 
* mergesort added

* added doctest
 2019-10-10 00:12:09 +05:00
Rishabh Kumar
61f7f94fde Create karatsuba.py (#1309) 
* Create karatsuba.py

Added karatsuba algorithm for multiplication of two numbers

* Update karatsuba.py

Added doctests and divmod

* Update karatsuba.py
 2019-10-08 17:25:50 +05:00
Du YuanChao
e80d248e65 optimization (#1303) 2019-10-08 13:25:00 +05:00
Du YuanChao
f0568d642e less code (#1292) 2019-10-08 13:24:01 +05:00
Du YuanChao
0da4d0a7f3 make code more readable (#1304) 2019-10-08 13:22:40 +05:00
Kaushik Amar Das
25701a9877 added doctests to scoring_functions.py (#1300) 
* added doctests to scoring_functions.py

* dedented lines
 2019-10-08 13:12:27 +05:00
Craigory V Coppola
3a06aba66a Update Linear Algebra Readme (#1298) 
Update formatting to better indicate matrix and vector sections
 2019-10-07 23:32:16 +05:00
Nishant-Ingle
06d736199b Added comment (#1294) 2019-10-07 23:29:14 +05:00
Maram Sumanth
22bd6ff967 Update average_mean.py (#1293) 2019-10-07 23:26:40 +05:00
Anup Kumar Panwar
01bc785e84 Fixed links in DIRECTORY.md (#1291) 2019-10-07 23:23:46 +05:00
mvhb
067a9b5136 adding input option and increasing the number of doctest (#1281) 
* adding input option and incresing the number of doctest

* mixing positive and negative numbers in the same test case
 2019-10-06 23:55:55 +05:00
Sushil Singh
9cc9f67d64 Chinese Remainder Theorem | Diophantine Equation | Modular Division (#1248) 
* Update .gitignore to remove __pycache__/

* added chinese_remainder_theorem

* Added Diophantine_equation algorithm

* Update Diophantine eqn & chinese remainder theorem

* Update Diophantine eqn & chinese remainder theorem

* added efficient modular division algorithm

* added GCD function

* update chinese_remainder_theorem | dipohantine eqn | modular_division

* update chinese_remainder_theorem | dipohantine eqn | modular_division

* added a new directory named blockchain & a files from data_structures/hashing/number_theory

* added a new directory named blockchain & a files from data_structures/hashing/number_theory
 2019-10-06 23:52:04 +05:00
Parth Paradkar
b1a769cf44 Add pure implementation of K-Nearest Neighbours (#1278) 
* Pure implementation of KNN added

* Comments and test case added

* doctest added
 2019-10-06 23:50:50 +05:00
TheRealDarkCoder
0a7d387acb Added a python script for finding sum of arithmetic series (#1279) 
* Added a python script for finding sum of arithmetic series

* Added some linting

* Resolved comments

* Fixed flake8 test
 2019-10-06 23:47:32 +05:00
Nikhil Nayak
c4a97677a5 Update fibonacci_sequence_recursion.py (#1287) 
- Fixed minor bugs.
 - Minimized Codes
 2019-10-06 23:35:56 +05:00
Christian Clauss
6ebd899c01 CONTRIBUTING.md: Fix mistake in doctest ;-) (#1266) 
* CONTRIBUTING.md: Fix mistake in doctest ;-)

* Update CONTRIBUTING.md
 2019-10-05 23:32:58 +08:00
William Zhang
9eac17a408 psf/black code formatting (#1277) 2019-10-05 10:14:13 +05:00
Kaushik Amar Das
07f04a2e55 adding jaccard similarity (#1270) 
* adding jaccard similarity

* renaming files. zeebus! what an headache
 2019-10-04 09:59:45 +02:00
Simon Landry
309204a581 Add problem 42 solution (#1259) 2019-10-03 22:48:53 +02:00
Simon Landry
6e69208666 Add problem 32 solution (#1257) 2019-10-03 22:47:39 +02:00
Simon Landry
d28fc71202 Add problem18 solution (#1260) 2019-10-03 22:47:08 +02:00
Simon Landry
f970c73061 Add problem 23 solution (#1261) 2019-10-03 22:08:25 +02:00
Shubham garg
03aba96c0a added defination (#1244) 2019-10-03 21:31:11 +02:00
Kaushik Amar Das
0e2d6b2963 adding softmax function (#1267) 
* adding softmax function

* wraped lines as asked
 2019-10-03 16:30:36 +02:00
William Zhang
0e333ae021 added bogobogosort (#1258) 
* added bogobogosort

* fix indentation error
 2019-10-03 11:17:30 +02:00
Parth Paradkar
390feb0b23 Add doctests for sorting algorithms (#1263) 
* doctests and intro docstring added

* doctests, docstrings and check for empty collection added

* Intro docstring added

* python versions reversed
 2019-10-03 10:19:11 +02:00
Anup Kumar Panwar
b8490ed097 Removed owners from README (#1254) 2019-10-03 15:17:22 +08:00