Ruochi Zhang ruochiz

Eric and Wendy Schmidt Center Fellow, Broad Institute Research interest: Computational biology, Machine learning

alimanfoo / find_runs.py

Created November 5, 2017 23:53

Find runs of consecutive items in a numpy array.

	import numpy as np


	def find_runs(x):
	"""Find runs of consecutive items in an array."""

	# ensure array
	x = np.asanyarray(x)
	if x.ndim != 1:
	raise ValueError('only 1D array supported')

andrewbolster / Random Three Vector.py

Last active August 5, 2023 11:58

Generate a random 3D unit vector with uniform spherical distribution

	def random_three_vector():
	"""
	Generates a random 3D unit vector (direction) with a uniform spherical distribution
	Algo from http://stackoverflow.com/questions/5408276/python-uniform-spherical-distribution
	:return:
	"""
	phi = np.random.uniform(0,np.pi*2)
	costheta = np.random.uniform(-1,1)

	theta = np.arccos( costheta )