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foursking1 / OrnsteinUhlenbeck.py
Created August 31, 2020 02:32 — forked from StuartGordonReid/OrnsteinUhlenbeck.py
Ornstein Uhlenbeck Stochastic Process
import math
import numpy
import random
import decimal
import scipy.linalg
import numpy.random as nrand
import matplotlib.pyplot as plt
"""
Note that this Gist uses the Model Parameters class found here - https://gist.github.com/StuartGordonReid/f01f479c783dd40cc21e
@foursking1
foursking1 / spark-mllib-ml
Created December 8, 2016 09:14
package com.netease.mail
import org.apache.spark.sql.SparkSession
import org.apache.spark.ml.feature.CountVectorizer
import org.apache.spark.ml.feature.StringIndexer
import org.apache.spark.mllib.classification.LogisticRegressionWithLBFGS
import org.apache.spark.mllib.classification.LogisticRegressionModel
import org.apache.spark.sql.Row
import org.apache.spark.ml.Pipeline
import org.apache.spark.mllib.regression.LabeledPoint
@foursking1
foursking1 / vgg-model
Created May 20, 2016 03:24
# -*- coding: utf-8 -*-
import numpy as np
import os
import glob
import cv2
import math
import pickle
import datetime
@foursking1
foursking1 / crawl-jd
Last active May 20, 2016 04:36
#-*- coding: utf-8 -*-
import logging
from Queue import Queue
import threading
import urllib2
import time
import random
from bs4 import BeautifulSoup
logging.basicConfig(level=logging.INFO)
@foursking1
foursking1 / bst.py
Last active August 29, 2015 14:16 — forked from ushadow/bst.py
#!/usr/bin/env python
class BSTNode(object):
"""A node in the vanilla BST tree."""
def __init__(self, parent, k):
"""Creates a node.
Args:
parent: The node's parent.
@foursking1
foursking1 / minmaxheap.py
Last active August 29, 2015 14:16 — forked from gnarmis/minmaxheap.py
from math import log, floor, pow
class MinMaxHeap(object):
"""an implementation of min-max heap using an array,
which starts at 1 (ignores 0th element)
"""
def __init__(self, array=[]):
super(MinMaxHeap, self).__init__()
@foursking1
foursking1 / nim两堆石头的游戏
Created February 26, 2015 04:39
false_table = dict()
true_table = dict()
def possible_next_moves(m, n):
for i in range(m):
yield(i, n)
for i in range(n):
if m < i:
yield(m, i)
@foursking1
foursking1 / yield
Created February 26, 2015 03:58
def fab(max):
n, a, b = 0, 0, 1
while n < max:
print b
a, b = b, a + b
n += 1
def fab2(max):
n, a, b = 0, 0, 1
L = []
@foursking1
foursking1 / HEY-YOU.md
Last active August 29, 2015 14:08 — forked from cowboy/HEY-YOU.md