I hereby claim:
- I am nikolaj-k on github.
- I am nikolajk (https://keybase.io/nikolajk) on keybase.
- I have a public key ASC4jS_ZAFOTsigcMsy9J7rRKelrY4yFjK54i4Ae-jv0sQo
To claim this, I am signing this object:
Nikolaj-K
/ so3_mat_exp.py
Created
August 12, 2021 18:24
Rotating points with SO3 using the matrix exponential for so3
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| """ | |
| Code from the video: | |
| https://youtu.be/QcfYTagj3pk | |
| For two gifs made from it, see | |
| https://thumbs.gfycat.com/BlissfulMenacingCanine-mobile.mp4 | |
| https://thumbs.gfycat.com/MinorHealthyCub-mobile.mp4 | |
| Note that this code can't be executed on it's own - it's just all the functions about geometry used in the animation. |
Nikolaj-K
/ acceleration_annotation.py
Last active
August 1, 2021 23:27
How to compute velocity and acceleration from a stream of points
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| """ | |
| Code discussed in this video: | |
| https://youtu.be/qA58ggk9fPA | |
| And here's the links mentioned: | |
| Torque-free motion gif's: | |
| Integrated motion: | |
| https://gfycat.com/costlyhardtofinddolphin & |
Nikolaj-K
/ ascending_products.py
Created
June 6, 2021 19:36
>Is there a way to generate pairs of numbers in ascending order of their product?
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| from functools import reduce | |
| from more_itertools import set_partitions | |
| import operator | |
| from sympy.ntheory import factorint | |
| from time import sleep | |
| def prod(nums): | |
| return reduce(operator.mul, nums, 1) |
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| import random | |
| # Set configuration in simulate() function | |
| def naturals(): | |
| n = 0 | |
| while True: | |
| yield n |
Nikolaj-K
/ bell_concat.py
Last active
May 23, 2021 22:29
Concatenation of analytic functions using Bell polynomials
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| """ | |
| This is the script discussed in the video | |
| https://youtu.be/JCXZw1qC1ZA | |
| $g(x) := 2 + 5 x^2 - 6 x^3 + x^4$ | |
| $g(x^2) =$ | |
| $= 2 + 5 x^4 - 6 x^6 + x^8$ |
Nikolaj-K
/ bell_circ.py
Last active
May 22, 2021 00:01
Concatenation of series via Bell polynomials
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| import math | |
| from sympy import bell # https://en.wikipedia.org/wiki/Bell_polynomials | |
| """ | |
| # Pretty print bell polynomials | |
| from sympy import Symbol, symbols | |
| print(bell(4, Symbol('t'))) | |
| print(bell(6, 2, symbols('x:6')[1:])) | |
| print() | |
| """ |
Nikolaj-K
/ keybase.md
Created
May 7, 2021 19:35
Nikolaj-K
/ understanding_wallet.py
Last active
March 14, 2021 07:49
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| """ | |
| Doing the same as on | |
| https://wallet.compendia.org/ | |
| https://wallet.nos.dev/ | |
| See | |
| https://compendia.org/ | |
| See also | |
| https://ark.dev/docs/core/transactions/cryptography#privatekey |
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| """ | |
| Script for the video discussed in | |
| https://youtu.be/2ewwFC0FzE4 | |
| Script to bruteforce search for the private key given a public key. | |
| Efficient python and C 99 algos to for the SECP256k1 log at: | |
| https://github.com/Telariust | |
| See also the programs in | |
| https://privatekeys.pw/ |
Nikolaj-K
/ compendia_api.py
Last active
February 22, 2021 23:14
Using python to run through the Compendia API examples
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| """ | |
| Using the python requests library to run through query examples calls following | |
| https://docs.compendia.org/api | |
| or | |
| https://api.ark.io/api | |
| Manually, one can do the same using curl via, e.g., | |
| 'curl https://api.nos.dev/api/v2/blockchain' | |
| which you might call from python (Not recommended, as this variant not return python dicts) | |
| import subprocess; subprocess.run(["curl", "https://api.nos.dev/api/v2/blockchain"]) |