Skip to content

Instantly share code, notes, and snippets.

@KdotJPG
KdotJPG / OpenSimplex2S.java
Last active June 19, 2024 15:44
Visually isotropic coherent noise algorithm based on alternate constructions of the A* lattice.
/**
* K.jpg's OpenSimplex 2, smooth variant ("SuperSimplex")
*
* More language ports, as well as legacy 2014 OpenSimplex, can be found here:
* https://github.com/KdotJPG/OpenSimplex2
*/
public class OpenSimplex2S {
private static final long PRIME_X = 0x5205402B9270C86FL;
import theano
from pylearn2.models import mlp
from pylearn2.training_algorithms import sgd
from pylearn2.termination_criteria import EpochCounter
from pylearn2.datasets.dense_design_matrix import DenseDesignMatrix
import numpy as np
from random import randint
class XOR(DenseDesignMatrix):
@tedmiston
tedmiston / webcam-cv2.py
Last active May 4, 2023 11:56
Display the webcam in Python using OpenCV (cv2)
"""
Simply display the contents of the webcam with optional mirroring using OpenCV
via the new Pythonic cv2 interface. Press <esc> to quit.
"""
import cv2
def show_webcam(mirror=False):
cam = cv2.VideoCapture(0)
import numpy as np
from scipy import linalg
from sklearn.utils import array2d, as_float_array
from sklearn.base import TransformerMixin, BaseEstimator
class ZCA(BaseEstimator, TransformerMixin):
def __init__(self, regularization=10**-5, copy=False):
self.regularization = regularization