Takuya Narihira tnarihi

tnarihi / numpy_tutorial.ipynb

Created March 4, 2014 13:07

日本語によるNumpyのチュートリアル的なもの。IPythonノートブックビューアで見てください。<http://nbviewer.ipython.org/gist/tnarihi/9346213>

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tnarihi / visualize_kmeans.py

Last active August 29, 2015 13:56

messy

	# -- coding: utf-8 --
	import numpy as np
	import pylab as pl

	__author__ = 'Takuya Nairihira'

	def compute_belonging(x, c):
	dist_NxK = (x*2).sum(axis=1)[:,np.newaxis] - 2. np.dot(x, c.T) + (c**2).sum(axis=1)[np.newaxis]
	return dist_NxK.argmin(axis=1)