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Author SHA1 Message Date
Christian Clauss
59bf115aa1
uses: actions/checkout@v2 (#1779) 
* uses: actions/checkout@v2

* fixup! Format Python code with psf/black push
 2020-02-21 15:32:35 +05:30
eightysixth
cb4795616c
Implemented geodesy - Lambert's ellipsoidal distance (#1763) 
* Implemented Lambert's long line

* Update lamberts_ellipsoidal_distance.py

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-02-20 14:34:43 +01:00
Iqrar Agalosi Nureyza
6b3bbc70a8
Added doctests in modular_exponential.py (#1775) 
* added doctests in modular_exponential.py

* added doctests in modular_exponential.py

* added URL link
 2020-02-20 12:29:01 +01:00
TheSuperNoob
d2f7982a4e
Update quadratic equations solver (#1764) 
Use pythons complex number module cmath for the calculation of the
roots
 2020-02-20 00:15:55 +05:30
Naveen M V
748702b461
Add Monte Carlo dice simulation algorithm (#1759) 
* Implement basic dice simulation

* Add tests to throw_dice

* Fix comment

* Add type hints

* Add additional comments

* Update monte_carlo_dice.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-17 10:55:04 +01:00
eightysixth
2e405f397b
Created geodesy section with one algorithm (#1757) 
* implemented haversine

* updated docstring

Only calculate distance

* added type hints

* added type hints

* improved docstring and math usage

* f"{haversine_distance(*SAN_FRANCISCO, *YOSEMITE):0,.0f} meters"

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-16 10:55:27 +01:00
QuantumNovice
53042f0f45
Create RayleighQuotient.py (#1749) 
* Create RayleighQuotient.py

https://en.wikipedia.org/wiki/Rayleigh_quotient

* Update RayleighQuotient.py

* Update and rename RayleighQuotient.py to rayleigh_quotient.py

* Update rayleigh_quotient.py

* Update rayleigh_quotient.py

python/black

* Update rayleigh_quotient.py
 2020-02-14 12:56:56 +01:00
onlinejudge95
4866b1330b
Fixes black failures from Previous PR (#1751) 
* Fixes black failures from Previous PR

* Fixes equality testing alert

* Fixes call to main() alert

* Fixes unused import
 2020-02-13 02:19:41 +05:30
TheSuperNoob
f0dfc4f46d
Add Chudnovskys algorithm for calculating many digits of pi (#1752) 
* Add Chudnovskys algorithm for calculating many digits of pi

* Update return value type hint

* Initialize partial sum to be of type Decimal

* Update chudnovsky_algorithm.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-12 15:04:59 +01:00
onlinejudge95
7b7c1a0135
Fixes unused variable errors in LGTM (#1746) 
* Fixes unsed variable errors in LGTM

* Fixes integer check

* Fixes failing tests
 2020-02-11 13:59:09 +05:30
billpaps
fde31c93a3
Added Bisection algorithm (#1739) 
* Create Bisection.py

Find root of

* Update Bisection.py

* Update Bisection.py

i changed the given function with one that i could make the doctests.

* Rename Bisection.py to bisection.py

* Update bisection.py

* Update bisection.py

* Update bisection.py

* Update bisection.py

* Update bisection.py

Made the changes that were requested

* Update bisection.py

* Update bisection.py

* Add wiki url

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-11 09:20:24 +01:00
Jimmy Y
1096aa2336
Added DP Solution for Optimal BST Problem (#1740) 
* Added code to dynamic_programming directory

* Added doctest

* Elaborated BST

* Small tweaks

* Update optimal_bst.py

* Some touchups

* Fixed doctest

* Update optimal_bst.py

* Update optimal_bst.py

* Update optimal_bst.py

* Rename optimal_bst.py to optimal_binary_search_tree.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-11 05:53:26 +01:00
ayoub-edh
abd320052f
Add gitpod config (#1744) 
* Add gitpod config

* Add Gitpod to icon bar
 2020-02-10 22:26:59 +01:00
onlinejudge95
6fdd53c676
Fixes LGTM issues (#1745) 
* Fixes redefinition of a variable

* Fixes implementing __eq__

* Updates docstring
 2020-02-10 22:23:19 +01:00
onlinejudge95
80718bd880 Fixes black failures (#1742) 2020-02-10 11:43:57 +01:00
MatteoRaso
32ceec550f
Added a Monte Carlo simulation (#1723) 
* Added montecarlo.py

This algorithm uses a Monte Carlo simulation to estimate the value of pi.

* Rename montecarlo.py to maths/montecarlo.py

* Add files via upload

* Delete montecarlo.py

* Rename montecarlo.py to maths/montecarlo.py

* Update montecarlo.py
 2020-02-09 02:17:11 +05:30
Christian Clauss
670f952aa6
Travis CI: Don’t allow bare exceptions (#1734) 
* Travis CI: Don’t allow bare exceptions

* fixup! Format Python code with psf/black push

* except IOError:

* except IOError:

* Update hamming_code.py

* IndexError

* Get rid of the nonsense logic

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-02-07 22:02:08 +02:00
Miggelito
f52b97f2c5
Added Random Forest Regressor and tested with flake8 (#1733) 
* Added Random Forest Regressor

* Updated file to standard
 2020-02-08 00:07:14 +05:30
TheSuperNoob
1608d75351
Improve collatz_sequence algorithm (#1726) 
- Add more doctests and type checking to make sure only natural
  numbers are used

- Simplified the algorithm slightly
	This new verison is also between 10-15% faster for really
	long sequences
 2020-02-07 02:30:08 +05:30
Ale3androsS
e7041a8eca
Added first come first served scheduling (#1722) 
* Added FCFS

* Fixed spelling error

* Rename fcfs.py to first_come_first_served.py

* Fixed FCFS and added tests.

* Made changes requested

* Use enumerate() instead of range(len())

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-02-06 21:48:58 +02:00
faizan2700
dacf1d0375
Implement Manacher's algorithm (#1721) 
* manacher's algorithm updated
 2020-02-05 19:27:42 +08:00
tania-cmyk
74a7b5f799
relevant documentation added (#1725) 2020-02-03 14:30:58 +05:30
cschuerc
81f077adfc Augment binary search algorithms (#1719) 2020-01-28 22:33:59 +05:30
Christian Clauss
bef74d0ecc Fix typo (#1718) 
* Fix typo

* updating DIRECTORY.md
 2020-01-28 05:09:47 +08:00
onlinejudge95
5c7d7782b0 Mandates referencing issue in PR (#1717) 
* Mandates referencing issue in PR

* Update CONTRIBUTING.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update CONTRIBUTING.md

Co-authored-by: John Law <johnlaw.po@gmail.com>
Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-27 21:54:57 +01:00
Faraz Ahmed Khan
63a1c4171a Added implementation for Bezier Curve, under a new graphics directory. (#1713) 
* Added bezier curve

* black formatted

* corrected spell check

* edited scipy import

* updated documentation for readablitity

* Update bezier_curve.py

* Update bezier_curve.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-25 07:18:43 +01:00
Christian Clauss
46ac50a28e codespell --quiet-level=2 (#1711) 
* codespell --quiet-level=2

Suppress the BINARY FILE warnings

* fixup! Format Python code with psf/black push
 2020-01-24 00:21:51 +08:00
kostogls
2cf7e8f994 fix comment (#1710) 
* fix comment

* Update armstrong_numbers.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-22 17:00:48 +01:00
kostogls
9a8e7de2df Adding Armstrong number (#1708) 
* Adding Armstrong number

* Update armstrong_numbers

* Update armstrong_numbers.py

* Update armstrong_numbers.py

* Update armstrong_numbers.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-22 16:35:30 +01:00
Kyle
724b7d2198 Add Prim's algorithm with min heap (#1704) 2020-01-22 02:46:03 +08:00
Sharan Krishnan
3042702d04 Area Under a Curve Algorithm (#1701) 
* A recursive insertion sort

* added doctests and typehints

* Added arc length and numerical integration calculators

* fixed doc test

* Fixed some conversion errors

* Fixed some commenting

* Deleted numerical integration to allow 1 file per push

* Changed string formatting method

* Added program to calculate trapezoidal area under curve

* Deleted files ensure 1 pull request per file

* file name changed

* Update area_under_curve.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-19 05:21:12 +01:00
Sharan Krishnan
e25d4248a3 Added an algorithm that approximates line lengths (#1692) 
* A recursive insertion sort

* added doctests and typehints

* Added arc length and numerical integration calculators

* fixed doc test

* Fixed some conversion errors

* Fixed some commenting

* Deleted numerical integration to allow 1 file per push

* Changed string formatting method
 2020-01-19 01:25:27 +08:00
Pooja
99ebd1a018 Create factorial_iterative.py (#1693) 
* Create factorial_iterative.py

* Update factorial_iterative.py

* Update factorial_iterative.py

* Update factorial_iterative.py

* print(f"factorial{n} is {factorial(n)}")

* Update factorial_recursive.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-18 14:06:48 +01:00
Christian Clauss
bfcb95b297
Create codespell.yml (#1698) 
* fixup! Format Python code with psf/black push

* Create codespell.yml

* fixup! Format Python code with psf/black push
 2020-01-18 13:24:33 +01:00
Faraz Ahmed Khan
c01d178798 Added implementation for simulated annealing (#1679) 
* added hill climbing algorithm

* Shorten long lines, streamline get_neighbors()

* Update hill_climbing.py

* Update and rename optimization/hill_climbing.py to searches/hill_climbing.py

* added hill climbing algorithm

* Shorten long lines, streamline get_neighbors()

* Update hill_climbing.py

* Rebased

* added simulated annealing.py

* added final comments and test

* black formatted

* restricted search domain

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-17 23:32:06 +01:00
Sombit Bose
c5b376d52d Solution for problem 30 of Euler Project (#1690) 
* Create soln.py

Solution for problem 30 of Euler Project

* Update soln.py

* update soln.py

modified the changes

* if __name__ == "__main__":

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-16 15:19:02 +01:00
Cole Mollica
38bad6b1e8 Implemented Square Root Algorithm (#1687) 
* Added to maths and strings

* added changes suggest by cclauss

* added square root function

* Fixed type hinting

* fixed type error

* Fixed another type error
 2020-01-15 22:21:26 +01:00
lanzhiwang
fc4c0f5bfd implement max heap and more pythonic (#1685) 
* implement max heap and more pythonic

* add doctests for heap
 2020-01-14 12:16:11 +01:00
Logan Lieou
d09a805804 Typo? (#1653) 
* Typo?

newNod -> newNode

* newNode -> new_node

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-14 10:21:02 +01:00
lanzhiwang
56e7ae01d2 enhance swapping code in link (#1660) 
* enhance swapping code in link

* heapify do not recursive

* fix

* fix identifier and add test

* typing.Any and LinkedList instead of Linkedlist

* typing.Any and LinkedList instead of Linkedlist
 2020-01-14 14:32:15 +05:30
Christian Clauss
b492e64417 Create pull_request_template.md (#1684) 
* Create pull_request_template.md

* fixup! Format Python code with psf/black push

* Update pull_request_template.md

* updating DIRECTORY.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Update pull_request_template.md

* Typos and formatting

Co-authored-by: John Law <johnlaw.po@gmail.com>
 2020-01-14 02:56:06 +08:00
shrabian
75523f9c1a A recursive insertion sort (#1683) 
* A recursive insertion sort

* added doctests and typehints
 2020-01-13 21:52:18 +05:30
Leon Morten Richter
4607cd48b6 Add a program to evaluate a string in prefix notation (Polish Notation) (#1675) 
* Create infix_evaluation.py

* fix doctests

* Rename infix_evaluation.py to prefix_evaluation.py

* Add prefix_evaluation.py to directory
 2020-01-12 15:00:40 +05:30
onlinejudge95
2cb6a6523e
Corrects failing check in master (#1676) 2020-01-12 14:58:47 +05:30
AlexLeka98
98733618e2 Added Strassen divide and conquer algorithm to multiply matrices. (#1648) 
* Added Strassen divide and conquer algorithm to multiply matrices

* Divide and conquer algorith to calculate pow(a,b) or a raised to the power of b

* Putting docstring inside the function.

* Added doctests
 2020-01-12 09:34:10 +05:30
Christian Clauss
f9e1a16a98 git add DIRECTORY.md (#1674) 
* git add DIRECTORY.md

* updating DIRECTORY.md
 2020-01-10 09:08:49 +08:00
Cole Mollica
a26ae00b24 Added to maths and strings (#1642) 
* Added to maths and strings

* added changes suggest by cclauss
 2020-01-08 14:18:17 +01:00
Christian Clauss
e849578e59 Update and rename lca.py to lowest_common_ancestor.py (#1664) 
* Update and rename lca.py to lowest_common_ancestor.py

* fixup! Format Python code with psf/black push
 2020-01-08 21:15:41 +08:00
Christian Clauss
1f2b1a88ab Typos in comments in hill_climbing.py (#1667) 
* Typos in comments in hill_climbing.py

* fixup! Format Python code with psf/black push
 2020-01-08 21:06:53 +08:00
MadhavCode
36d229f82a number of Possible Binary Search Tree and Binary Tree. (#1670) 
* Code Upload

* Code Upload

* Delete n_possible_bst

* Find the N Possible Binary Tree and Binary Tree from given Nth Number of Node.

* Update in Test

* Update and rename n_possible_bst.py to number_of_possible_binary_trees.py

Co-authored-by: Christian Clauss <cclauss@me.com>
 2020-01-08 13:25:50 +01:00