{"id":10524,"date":"2013-07-28T10:35:00","date_gmt":"2013-07-28T10:35:00","guid":{"rendered":"http:\/\/melotopia.net\/b\/?p=10524"},"modified":"2013-07-28T10:35:00","modified_gmt":"2013-07-28T10:35:00","slug":"%ed%8c%8c%ec%9d%b4%ec%8d%ac-%ea%b8%b0%ec%b4%884","status":"publish","type":"post","link":"http:\/\/melotopia.net\/b\/?p=10524","title":{"rendered":"\ud30c\uc774\uc36c \uae30\ucd084"},"content":{"rendered":"
\n
\n

\n\n<\/p>\n

\n
\n
\n\"\"
\n lecture4.py
\n <\/a>
\n<\/span>\n<\/p>\n

\n\n<\/p>\n

\n # -*- coding:utf-8 -*-
\n
\n # Python lecture 4
\n
\n # keeHwan Nam, Dept. of physics, KAIST, 2013.<\/p>\n

# \uc2e4\ud5d8 \ub370\uc774\ud130 \ud30c\uc77c \ucc98\ub9ac\ud558\uae30 \uc2e4\uc804 \ud14c\ud06c\ub2c9 – \uae30\ucd08, \ubc18\ubcf5\uc791\uc5c5, \uacb0\uacfc\ubb3c \ub2e4\ub4ec\uae30, \uc18c\uc18c\ud55c \ud301<\/p>\n

# \uc2e4\uc81c\ub85c \uc2e4\ud5d8\uc744 \ud558\uac8c \ub418\uba74, \uc801\uac8c\ub294 \uc218\uc2ed\uac1c\uc5d0\uc11c \ub9ce\uac8c\ub294 \uc218\ub9cc\uac1c\uc758 \ub370\uc774\ud130 \ud30c\uc77c\uc774 \uc313\uc774\uac8c \ub41c\ub2e4. \uc774 \ud30c\uc77c\ub4e4\uc744 \uc5b4\ub5bb\uac8c \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \uc54c\uc544\ubcf4\uc790.<\/p>\n

# \uc2e4\ud5d8 \ub370\uc774\ud130 \ucc98\ub9ac\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 \ud30c\uc77c\uc744 \uc77c\ub2e8 \uc790\ub3d9\uc73c\ub85c \uc77d\uc5b4\uc624\ub294 \uac83\uc774\ub2e4.<\/p>\n

# \uc5b4\uca0c\ub4e0, \uc77c\ub2e8 \ub2e4\uc74c\uc758 \ubaa8\ub4c8\uc744 \ubd88\ub7ec\uc624\ub294 \uac83\uc774 \uac00\uc7a5 \uccab \ub2e8\uacc4\uc774\ub2e4.<\/p>\n

import os
\n
\n import os.path<\/p>\n

# \uc774 \ubaa8\ub4c8\ub4e4\uc740 \ud30c\uc774\uc36c\uc5d0\uc11c ‘\ud30c\uc77c\uc758 \uacbd\ub85c\uba85’\uc744 \ub2e4\ub8f0 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4. \uacbd\ub85c\uba85\uc774\ub780 \uc2e4\uc81c\ub85c \ud30c\uc77c\uc774 \uc5b4\ub514\uc5d0 \uc788\ub294\uc9c0 \ub9d0\ud574\uc8fc\ub294 \uc8fc\uc18c \uac19\uc740 \uac83\uc774\ub2e4.<\/p>\n

# \uacbd\ub85c\uba85\uc774 \ub2e4\uc74c\uacfc \uac19\uc774 \uc8fc\uc5b4\uc84c\ub2e4\uace0 \uce58\uc790.<\/p>\n

mypath = ‘c:\\\\data’<\/p>\n

# \\\uae30\ud638\ub97c \ub450\uac1c \ub123\uc740\uac74 \ub098\uc911\uc5d0 \uad34\uc774\ud55c \uc77c\uc774 \ubc8c\uc5b4\uc9c0\uc9c0 \uc54a\ub3c4\ub85d \ud558\uae30 \uc704\ud558\uc5ec \ubbf8\ub9ac \uc190\uc744 \uc368\ub454 \uac83\uc774\ub2e4. \uacbd\ub85c\uba85\uc5d0 \uc788\ub294 \\\ub97c \ubaa8\ub450 \\\\\ub85c \ubc14\uafd4\ub450\uc9c0 \uc54a\uc73c\uba74, \ud2c0\ub9b0\ub370\uac00 \uc5c6\uc5b4 \ubcf4\uc774\ub294\ub370 \uc2e4\ud589\uc774 \uc548\ub418\ub294 \uc77c\uc774 \ubc8c\uc5b4\uc9c8 \uc218 \uc788\ub2e4. \uc65c \uadf8\ub7f0\uc9c0\ub294 python escape characters \uc5d0 \ub300\ud574\uc11c \uc54c\uc544\ubcf4\uba74 \ub41c\ub2e4.<\/p>\n

# \uadf8\ub7fc \uc774\uc81c \uc6b0\ub9ac\uc5d0\uac8c\ub294 \uc800 \ub514\ub809\ud1a0\ub9ac \uc548\uc5d0 \uc788\ub294 \ud30c\uc77c\ub4e4\uc758 \ubaa9\ub85d\uc774 \ud544\uc694\ud558\ub2e4.<\/p>\n

myfiles = os.listdir(pymath)<\/p>\n

# os.listdir()\uc774\ub77c\ub294 \ud568\uc218\uac00 \uadf8 \uc77c\uc744 \ud574\uc900\ub2e4. \uc774\uc81c myfiles\ub77c\ub294 ‘\ub9ac\uc2a4\ub290’\uac00 \uc0dd\uacbc\uc73c\ubbc0\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uc368\uc11c \uc77c\uc744 \ud560 \uc218 \uc788\ub2e4.<\/p>\n

for mf in myfiles:
\n
\n fileProcess(mf)<\/p>\n

# \ud558\uc9c0\ub9cc \ubb38\uc81c\ub294 \uc774\uac83\ub9cc\uc73c\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0 \uc54a\ub2e4\ub294 \uac83\uc774\ub2e4. \uc65c\ub0d0\ud558\uba74 os.listdir() \ud568\uc218\ub294 \uacbd\ub85c\uba85\uc744 \ube80, \uc21c\uc218\ud55c \uadf8 ‘\uc774\ub984’\ub4e4\uc758 \ubaa9\ub85d\ub9cc\uc744 \uc54c\ub824\uc8fc\uae30 \ub54c\ubb38\uc774\ub2e4. \uc6b0\ub9ac\uac00 \ud30c\uc77c\uc744 \uc5f4\uae30 \uc704\ud574\uc11c\ub294 \uacbd\ub85c\uba85+\ud30c\uc77c\uba85\uc774 \ud544\uc694\ud558\ubbc0\ub85c, \uc2e4\uc81c\ub85c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ucc98\ub9ac\ud574\uc57c \ud55c\ub2e4.<\/p>\n

for mf in myfile:
\n
\n fileProcess(mypath+”\\\\”+mf)<\/p>\n

# \uc774\uc81c fileProcess()\ub77c\ub294 \ud568\uc218\ub97c \ub9cc\ub4e4\uc5b4\uc11c, \ud30c\uc77c \ud558\ub098\ud558\ub098\ub97c \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud560\uc9c0 \uc0dd\uac01\ud574 \ubcf4\uc790.<\/p>\n

# \ub370\uc774\ud130 \ud30c\uc77c\uc740 \ud14d\uc2a4\ud2b8 \ud30c\uc77c \uc544\ub2c8\uba74 \ubc14\uc774\ub108\ub9ac \ud30c\uc77c\ub85c \uc800\uc7a5\ub41c\ub2e4. \uc77c\ub2e8 \ubc14\uc774\ub108\ub9ac\ub294 \uc4f0\uae30 \ud798\ub4dc\ub2c8\uae4c \ud14d\uc2a4\ud2b8 \ud30c\uc77c\uc744 \ucc98\ub9ac\ud558\ub294 \uac83 \ubd80\ud130 \ud574\ubcf8\ub2e4.<\/p>\n

# \ub370\uc774\ud130 \ud30c\uc77c\uc5d0 \uc2e4\uc81c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4\uace0 \ud558\uc790.<\/p>\n

”’
\n
\n -1.9e-06 7.97e-07 -8.5783931549247703e-10 -9.7362985182677175e-10 -1.3762538408048596e-10 9.9564622537186427e-11
\n
\n -1.9e-06 8.46e-07 -7.4824717605474142e-10 -9.1441781733662261e-10 -1.2837483027640561e-10 8.8900007035819333e-11
\n
\n -1.9e-06 8.96e-07 -6.4783294293579292e-10 -8.5092345806972556e-10 -1.1860950379225859e-10 7.8859478980600898e-11
\n
\n -1.9e-06 9.46e-07 -5.5678785177338635e-10 -7.8505574393254601e-10 -1.0861474129660382e-10 6.9501614214156576e-11
\n
\n -1.9e-06 9.96e-07 -4.7504242597008922e-10 -7.1847384904530101e-10 -9.8635766382808557e-11 6.0863824434377259e-11
\n
\n -1.9e-06 1.04e-06 -4.0238736681761767e-10 -6.5259129272929548e-10 -8.8875171315561072e-11 5.2964091511969546e-11
\n
\n -1.9e-06 1.09e-06 -3.3836132632978519e-10 -5.8856342378430333e-10 -7.9493842491901663e-11 4.5803169315989476e-11
\n
\n -1.9e-06 1.16e-06 -2.8244751702740876e-10 -5.2729175071217892e-10 -7.0613168120409343e-11 3.9367080075227634e-11
\n
\n ”’<\/p>\n

# \uc704\uc758 \ud30c\uc77c\uc740 \uc22b\uc790\ub85c \ub418\uc5b4 \uc788\uace0, \uc911\uac04\uc5d0 \ube48\uce78\uc774 \uc788\uc73c\uba70, \ud55c\uc904\uc774 \ud558\ub098\uc758 \ub370\uc774\ud130\ub97c \ub098\ud0c0\ub0b8\ub2e4. \uadf8\ub7fc, \ud30c\uc774\uc36c\uc5d0\uc11c \uc800\uac78 \ub2e4\ub8e8\ub824\uba74 \ub9ac\uc2a4\ud2b8\ub85c \ud574\ubcf4\ub294 \uac83\uc774 \uac00\uc7a5 \uac04\ud3b8\ud560 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8\ub7fc \uc77c\ub2e8 fileProcess() \ud568\uc218\ub97c \uc815\uc758\ud558\uc790.<\/p>\n

def fileProcess(fn):
\n
\n mydata = open(fn, ‘r’) # \uc774\ub807\uac8c \ud558\uba74 \ud30c\uc77c\uc744 \uc77d\uae30 \uc804\uc6a9 \ubaa8\ub4dc\ub85c \uc5f4\uc5b4\uc11c mydata\ub77c\uace0 \ubd80\ub974\uae30\ub85c \ud55c \uac83\uc774\ub2e4.
\n
\n for i in range(datafile_Length):
\n
\n data1=dataProcess(mydata.readline())<\/p>\n

# \uc5ec\uae30\uc11c dataProcess()\ub294 fileProcess()\ubcf4\ub2e4 \uc55e\ubd80\ubd84\uc5d0\uc11c \uc815\uc758(def) \ub418\uc5b4 \uc788\uc5b4\uc57c \ud55c\ub2e4. \uc9c0\uae08\uc740 \uc124\uba85\uc744 \uc704\ud574\uc11c \ub4a4\uc5d0 \ubc30\uce58\ud588\uc744 \ubfd0\uc774\ub2e4.<\/p>\n

# mydata.readline()\uc740 mydata\uc5d0 \uc788\ub294 \ud30c\uc77c\uc5d0\uc11c 1\uc904\uc744 \uc77d\uc5b4\uc624\ub77c\ub294 \ub73b\uc774\ub2e4.<\/p>\n

# dataProcess()\ub294 \ub098\uc911\uc5d0 \uc815\uc758\ud55c\ub2e4 \uce58\uace0, \uc77c\ub2e8 \uc704\uc758 \ucf54\ub4dc\ub97c \uc798 \ubcf4\uc790. for \uad6c\ubb38\uc73c\ub85c \ub3cc\ub9ac\ub294\ub370, datafile_Length\ub9cc\ud07c \ub3cc\ub9ac\uac8c \ub418\uc5b4 \uc788\ub2e4. datafile_length\ub294 \ub370\uc774\ud130 \ud30c\uc77c\uc758 \uae38\uc774\uc774\ub2e4. \uc989, \ub370\uc774\ud130 \ud30c\uc77c\uc774 \uba87\uc904\uc778\uc9c0 \uc54c\uace0 \uc788\uc744 \ub54c \uadf8 \uc218\ub97c \uc5ec\uae30\uc5d0 \uc9d1\uc5b4\ub123\uc5b4\uc8fc\uba74 \ub41c\ub2e4. \ud558\uc9c0\ub9cc \ub300\ubd80\ubd84\uc758 \uacbd\uc6b0 \ub370\uc774\ud130 \ud30c\uc77c\uc758 \uae38\uc774\ub294 \uacc4\uc18d \ubcc0\ud558\uace0, \ubcc0\ud558\uc9c0 \uc54a\ub354\ub77c\ub3c4 \uc2e0\uacbd\uc4f0\uace0 \uc2f6\uc9c0 \uc54a\uc744 \uac83\uc774\ub2e4. \uadf8\ub7f0 \uacbd\uc6b0\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n

import numpy
\n
\n def fileProcess(fn):
\n
\n mydata = open(fn, ‘r’)
\n
\n while True:
\n
\n data1=mydata.readline()
\n
\n tmp = numpy.array(eval(“[“+data1.replace(“\\t”,”,”)+”]”))
\n
\n if len(tmp)==0:
\n
\n break
\n
\n data1=dataProcess(tmp)<\/p>\n

# \uc704\uc640 \uac19\uc774 while \uad6c\ubb38\uc744 \uc774\uc6a9\ud574\uc11c \ubc18\ubcf5\uc2dc\ud0a4\uba74, \uc870\uac74\uc5d0 True\uac00 \ub4e4\uc5b4\uac00 \uc788\uc73c\ubbc0\ub85c \ubb34\ud55c \ubc18\ubcf5\ub41c\ub2e4. \uc989, \ud30c\uc77c\uc758 \uae38\uc774\uc640 \uc0c1\uad00 \uc5c6\uc774 \ubb34\ud55c\ud788 \ud30c\uc77c \ucc98\ub9ac \uacfc\uc815\uc774 \uacc4\uc18d\ub41c\ub2e4\ub294 \ub73b\uc774\ub2e4. \ubb3c\ub860 \ubaa8\ub4e0 \ub370\uc774\ud130 \ud30c\uc77c\uc740 \uae38\uc774\uac00 \uc815\ud574\uc838 \uc788\uace0, \uc720\ud55c\ud558\uae30 \ub54c\ubb38\uc5d0 \uc2e4\uc81c\ub85c \uadf8\ub7f0 \uc77c\uc774 \uc77c\uc5b4\ub098\uc11c\ub294 \uc548\ub420 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8\ub798\uc11c \uadf8 \ub4a4\uc5d0 if \uad6c\ubb38\uc744 \uc774\uc6a9\ud574\uc11c, \uc77d\uc5b4\uc628 \ub370\uc774\ud130\uac00 \uc5c6\uc73c\uba74 break\ub97c \uc368\uc11c while \ub8e8\ud504\ub97c \ubc97\uc5b4\ub098\ub3c4\ub85d \ud558\uace0 \uc788\ub2e4. \uc77d\uc5b4\uc628 \ub370\uc774\ud130\uac00 \uc5c6\ub294 \uacbd\uc6b0\uc5d4 dataProcess()\ud568\uc218\uac00 \uc2e4\ud589\ub418\uc9c0 \uc54a\uace0 \uadf8\ub300\ub85c while \ub8e8\ud504\ub97c \ube60\uc838\ub098\uac00 \ubc84\ub9b4 \uac83\uc774\ub2e4. \uadf8\ub7fc \uadf8 \uc55e\uc5d0\uc11c tmp\uc5d0 \ubb34\uc2a8 \uc9d3\uc744 \ud55c \uac83\uc77c\uae4c?<\/p>\n

# tmp\uc5d0\ub294 numpy.array\ub97c \uc9d1\uc5b4\ub123\uc5c8\ub2e4. \uadf8\ub7fc \uadf8 \uc548\uc5d0\uc11c\ub294 eval\uc774 \uc788\uace0 replace()\uac00 \ubcf4\uc77c \uac83\uc774\ub2e4.<\/p>\n

# data1.replace()\ub294 data1\uc5d0 \uc788\ub294 \ub0b4\uc6a9\uc744 \uace0\uce5c\ub2e4. replace(“\\t”, “,”)\ud568\uc218\uac00 \ud558\ub294 \uc77c\uc740 \ub0b4\uc6a9\uc911\uc5d0\uc11c \\t\ub97c \ucc3e\uc544\uc11c ,\uc73c\ub85c \ubc14\uafd4\uc8fc\ub294 \uc77c\uc774\ub2e4. \uc5ec\uae30\uc11c \\t\ub098 ,\ub294 \uc6d0\ud558\ub294\ub300\ub85c \ub2e4\ub978 \uae30\ud638\ub098 \ubb38\uc790\uc5f4\ub85c \ubc14\uafc0 \uc218 \uc788\ub2e4. 1\uae00\uc790\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc5ec\ub7ec \uae00\uc790\ub3c4 \ub41c\ub2e4.<\/p>\n

# \\t\uac00 \ubcf4\uc774\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc0ac\ub78c\uc774 \uc788\uc744 \uc218 \uc788\ub294\ub370, \uadf8\ub7f0 \uc0ac\ub78c\uc740 \uc544\ub9c8 python escape characters\uac00 \ubb54\uc9c0 \ucc3e\uc544\ubcf4\uc9c0 \uc54a\uc740 \uc0ac\ub78c\uc77c \uac83\uc774\ub77c\uace0 \uc0dd\uac01\ud55c\ub2e4. \ubb3c\ub860 \ucc3e\uc544\ubcfc \ud544\uc694\ub294 \uc5c6\uc9c0\ub9cc. \\t\ub294 \uc704\uc5d0 \uc788\ub294 \ub370\uc774\ud130\uc5d0\uc11c “\ud0ed \ubb38\uc790”\ub97c \ub098\ud0c0\ub0b8\ub2e4. \ud0ed \ubb38\uc790\ub780, \ud0a4\ubcf4\ub4dc\uc758 \ud0ed \ud0a4\ub97c \ub20c\ub800\uc744 \ub54c \uc785\ub825\ub418\ub294 \uae00\uc790\uc778\ub370, \ud0ed \ud0a4\ub294 \ud0a4\ubcf4\ub4dc \uc67c\ucabd\uc758 CapsLock \ud0a4 \ubc14\ub85c \uc704\uc5d0 \uc788\ub294 \ud0a4\uc774\ub2e4. \uc774\uac78 \ub204\ub974\uba74 \ube48\uce78\uc774 \uc0dd\uae30\ub294\ub370, \uc2a4\ud398\uc774\uc2a4 \ubc14\ub97c \ub20c\ub7ec\uc11c \ub098\uc628 \ube48\uce78\ubcf4\ub2e4\ub294 \uc870\uae08 \ub354 \uae34 \ube48\uce78\uc774 \ub098\uc62c \uac83\uc774\ub2e4. \uc774 \ube48 \uce78\uc744 \ud0ed \ubb38\uc790\ub77c\uace0 \ubd80\ub978\ub2e4. \uadf8\ub9ac\uace0 \ube48\uce78\uc744 \ub098\ud0c0\ub0b4\uae30 \uc704\ud574\uc11c \ubcc4\ub2e4\ub978 \ubc29\ubc95\uc774 \uc5c6\uc73c\ubbc0\ub85c \\t\ub77c\ub294 \ud45c\ud604\uc744 \uc0ac\uc6a9\ud55c \uac83\uc774\ub2e4.<\/p>\n

# \uc6d0\ub798\ubd80\ud130 \ud0ed\uc774 \uc544\ub2c8\ub77c \uc27c\ud45c\ub85c \uc800\uc7a5\ub418\uc5b4 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub294 \uad73\uc774 \uc800\ub807\uac8c \ubc14\uafc0 \ud544\uc694\uac00 \uc5c6\uc744 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8 \ub2e4\uc74c “[“\uacfc “]”\uc744 +\ub85c \ub354\ud574\uc8fc\uace0 \uc788\ub2e4. \uae00\uc790\ub97c \uc5b4\ub5bb\uac8c \ub354\ud558\ub290\ub0d0\uace0 \uc9c8\ubb38\ud560\ud150\ub370, \uc544\uc8fc \uac04\ub2e8\ud558\ub2e4. \uadf8\ub0e5 \uc774\uc5b4\ubd99\uc774\uba74 \ub41c\ub2e4. \ud30c\uc774\uc36c\uc5d0\uc11c \ubb38\uc790\uc5f4\uc740 \uadf8\ub0e5 \ub9ac\uc2a4\ud2b8\ub85c \ucde8\uae09\ub41c\ub2e4. \uc608\ub97c \ub4e4\uc5b4\uc11c “abc”+”def”\ub294 “abcdef”\uac00 \ub41c\ub2e4. \uadf8\ub7ec\ubbc0\ub85c “[“+\ub294 data1\uc758 \uc55e\ubd80\ubd84\uc5d0 [\ub97c \ucd94\uac00\ud560 \uac83\uc774\uace0 +”]”\ub294 \ub4b7\ubd80\ubd84\uc5d0 ]\ub97c \ucd94\uac00\ud574\uc904 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8 \ub2e4\uc74c \ubc16\uc73c\ub85c \ub098\uc640\ubcf4\uba74 eval\uc774 \uc788\ub2e4. eval()\ud568\uc218\ub294 \uc544\uc8fc \uc2e0\uae30\ud55c \ud568\uc218\uc778\ub370, \uadf8 \uc548\uc5d0 \uc788\ub294 \uae00\uc790\ub97c \uc77d\uc5b4\uc11c \ud30c\uc774\uc36c \ubb38\ubc95\uc73c\ub85c \ud574\uc11d\ud574\uc900 \uacb0\uacfc\ub97c \uc54c\ub824\uc900\ub2e4. \uc989, \uc9c0\uae08 \uc704\uc640 \uac19\uc740 \uacbd\uc6b0 eval()\uc758 \uc548\ucabd\uc5d0 \uc788\ub294 \uae00\uc790\ub294 “[5342, 4551, 34255]”\ucc98\ub7fc \uc0dd\uae34 \ubb38\uc790\uc5f4\uc774\ub2e4. \uc774\uac83\uc740 \uc544\uc9c1 \ub9ac\uc2a4\ud2b8\uac00 \uc544\ub2c8\ub2e4. \uc800\uac74 \uc800\uae30\uc5d0 \uc368 \uc788\ub294 \uae00\uc790 \uadf8\ub300\ub85c\ub97c \ub098\ud0c0\ub0b4\ub294 \ubb38\uc790\uc5f4\uc77c \ubfd0\uc774\ub2e4. \ud558\uc9c0\ub9cc eval(“[5342, 4551, 34255]”)\uc774\ub77c\uace0 \uc4f0\uba74 \uc774\uc81c \uc800 \ubb38\uc790\uc5f4\uc740 [5342, 4551, 34255] \uc774\ub77c\ub294 \ub9ac\uc2a4\ud2b8\uac00 \ub41c\ub2e4. \uadf8\ub7fc \uc548\uc5d0 \uc788\ub294 \uac83\ub4e4\ub3c4 \uc22b\uc790\ub85c \ub5a8\uc5b4\uc9c4 5, 3, 4, 2\uac19\uc740 \uae00\uc790\uac00 \uc544\ub2c8\ub77c 5342\ub77c\ub294 \ud558\ub098\uc758 \uc218\ub97c \ub098\ud0c0\ub0b4\ub294 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8 \ub2e4\uc74c\uc5d0 numpy.array\uc5d0\ub2e4\uac00 \uadf8\uac78 \uadf8\ub300\ub85c \uc9d1\uc5b4\ub123\uc5c8\ub294\ub370, \uc774\uac83\uc740 numpy.array\ub294 \ubca1\ud130\ub85c \ucde8\uae09\ub418\uc5b4\uc11c \uc6b0\ub9ac\uac00 \ud754\ud788 \uc54c\ub358 \ub9ac\uc2a4\ud2b8\ub098 \uc5b4\ub808\uc774\uc640 \ub2e4\ub978 \ud589\ub3d9\uc744 \ud558\uae30 \ub54c\ubb38\uc774\ub2e4. \uac00\ub839 \uadf8\ub0e5 \ub9ac\uc2a4\ud2b8\ub098 \uc5b4\ub808\uc774\ub294 [3,5,2]+[6,4,3]\ub97c \ud588\uc744 \ub54c [3, 5, 2, 6, 4, 3]\uc774 \ub41c\ub2e4. \ud558\uc9c0\ub9cc numpy.array([3,5,2])+numpy.array([6,4,3])\ub294 numpy.array([9, 9, 5])\uac00 \ub41c\ub2e4. \uc6b0\ub9ac\ub294 \uc774\uac83\ub4e4\uc744 \uac16\uace0\uc11c \uc774\uc5b4\ubd99\uc77c \uac83\uc774 \uc544\ub2c8\ub77c \uac01 \ud56d\uc744 \uac16\uace0 \uc0ac\uce59\uc5f0\uc0b0\uc744 \ud574\uc57c \ud558\uae30 \ub54c\ubb38\uc5d0 \uc774\ub7f0\uc2dd\uc73c\ub85c \uc791\ub3d9\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud558\ub2e4. \uc774\uac8c \uc548\ub418\uba74 \ub9e4\uc6b0 \uad34\ub85c\uc6e0\uc744 \uac83\uc774\ub2e4.<\/p>\n

# \uadf8\ub7fc len(tmp)\ub294 \ubb58\uae4c? tmp\ub294 \uc5b4\uca0c\ub4e0 \uc5b4\ub808\uc774\uc758 \ud55c \uc885\ub958\uc778\ub370, len\uc740 \uadf8 \uc5b4\ub808\uc774\uc758 \uae38\uc774\ub97c \uc54c\ub824\uc8fc\ub294 \uae30\ubcf8 \ub0b4\uc7a5 \ud568\uc218\uc774\ub2e4. \uc989 len([5,3,2])\ub294 3\uc774\ub77c\uace0 \uc54c\ub824\uc900\ub2e4.<\/p>\n

# \uadf8\ub7ec\ubbc0\ub85c if len(tmp)==0: \uc774\ub77c\uace0 \uc37c\ub2e4\ub294 \uac83\uc740 tmp\ub77c\ub294 \uc5b4\ub808\uc774\uac00 \ud145 \ube44\uc5b4\uc788\ub294 \uc5b4\ub808\uc774\ub77c\ub294 \uc0ac\uc2e4\uc744 \uc54c\ub824\uc8fc\ub294 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc704\uc640 \uac19\uc740 \uacbd\uc6b0, \ud145 \ube48 \uc904\uc774 \ub370\uc774\ud130 \ud30c\uc77c\uc758 \uc911\uac04\uc5d0 \ub4e4\uc5b4\uac00 \uc788\uace0, \uadf8 \ub2e4\uc74c\uc5d0 \ub2e4\uc2dc \uc758\ubbf8\uc788\ub294 \ub370\uc774\ud130\uac00 \uc774\uc5b4\uc9c0\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc81c\ub300\ub85c \uc791\ub3d9\ud558\uc9c0 \uc54a\ub294\ub2e4. \uc774 \uacbd\uc6b0\uc5d0 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uc9c0\ub294 \uac01\uc790 \uc0dd\uac01\ud574 \ubcf4\ub3c4\ub85d \ud558\uc790. \uc54c\uace0\ubcf4\uba74 \uadf8\ub2e4\uc9c0 \uc5b4\ub835\uc9c0 \uc54a\ub2e4.<\/p>\n

# \uadf8\ub7fc \uc774\uc81c dataProcess() \ud568\uc218\ub97c \uc5b4\ub5bb\uac8c \ub9cc\ub4e4\uc5b4 \ubcfc\uc9c0 \uc54c\uc544\ubcf4\uc790.<\/p>\n

def dataProcess(d):
\n
\n …<\/p>\n

# \uc77c\ub2e8 d\ub77c\ub294 \ub370\uc774\ud130\ub97c \ubc1b\uc558\uace0, \uc774\uac74 \ud55c\uc904\uc9dc\ub9ac \uc5b4\ub808\uc774 \ud615\ud0dc\uc758 \uac12\ub4e4\uc774\ub2e4. \uc5b4\ub5bb\uac8c \ucc98\ub9ac\ud558\uc9c0?<\/p>\n

# http:\/\/scipy-lectures.github.io\/intro\/numpy\/index.html \uc5ec\uae30\uc5d0 numpy.array\uc5d0 \ub300\ud574 \uc5ec\ub7ec\uac00\uc9c0\ub97c \uc54c\ub824\uc8fc\ub294 \ub0b4\uc6a9\uc774 \uc788\ub2e4.<\/p>\n

# \ud3c9\uade0, \ucd5c\ub300\uac12, \ucd5c\uc18c\uac12, \uc911\uc559\uac12, \uc774\ub7f0 \uac83\ub4e4\uc744 \ucc3e\ub294 \uac74 \uadf8\ub0e5 \uc774\ubbf8 \ub2e4 \ub418\uc5b4 \uc788\ub2e4. \uc608\ub97c \ub4e4\uba74,<\/p>\n

d.mean() # \uc774\uac74 d\uc758 \ud3c9\uade0\uc744 \uad6c\ud574\uc11c \uc54c\ub824\uc900\ub2e4.<\/p>\n

# \ub098\uba38\uc9c0\ub3c4 \ud55c\ubc88 \uc54c\uc544\ubcf4\uc790.<\/p>\n

# \ub370\uc774\ud0c0 \ucc98\ub9ac\uc758 \uc138\uc138\ud55c \ubd80\ubd84\uc740 \ub370\uc774\ud130\uc758 \uc885\ub958\uc5d0 \ub530\ub77c\uc11c \ub2e4 \ub2e4\ub974\ub2e4. \uc790\uc2e0\uc758 \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc740 \ubcf8\uc778\ub9cc\uc774 \uc54c\uace0 \uc788\uc73c\ubbc0\ub85c, \uadf8 \ubc29\ubc95\uc744 \uc5b4\ub5bb\uac8c \ud558\uba74 \ud30c\uc774\uc36c\uc73c\ub85c \uad6c\ud604\ud560 \uc218 \uc788\uc744\uc9c0\ub3c4 \uc790\uc2e0\ub9cc\uc774 \uc54c \uc218 \uc788\ub2e4. \uc774 \ubd80\ubd84\uc740 \ubc18\ubcf5 \uc219\ub2ec\uc744 \ud1b5\ud574\uc11c \uc5f0\uc2b5\ud558\ub294 \uac83\uc774 \ucd5c\uc120\uc774\ub2e4.
\n \n<\/p>\n

\n
\n
\n\"\uc2e0\uace0\"
\n<\/a>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

lecture4.py # -*- coding:utf-8 -*- # Python lecture 4 # keeHwan Nam, Dept. of physics, KAIST, 2013. # \uc2e4\ud5d8 \ub370\uc774\ud130 \ud30c\uc77c \ucc98\ub9ac\ud558\uae30 \uc2e4\uc804 \ud14c\ud06c\ub2c9 – \uae30\ucd08, \ubc18\ubcf5\uc791\uc5c5, \uacb0\uacfc\ubb3c \ub2e4\ub4ec\uae30, \uc18c\uc18c\ud55c \ud301 # \uc2e4\uc81c\ub85c \uc2e4\ud5d8\uc744 \ud558\uac8c \ub418\uba74, \uc801\uac8c\ub294 \uc218\uc2ed\uac1c\uc5d0\uc11c \ub9ce\uac8c\ub294 \uc218\ub9cc\uac1c\uc758 \ub370\uc774\ud130 \ud30c\uc77c\uc774 \uc313\uc774\uac8c \ub41c\ub2e4. \uc774 \ud30c\uc77c\ub4e4\uc744 \uc5b4\ub5bb\uac8c \uc790\ub3d9\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294\uc9c0 \uc54c\uc544\ubcf4\uc790. # \uc2e4\ud5d8 \ub370\uc774\ud130 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12],"tags":[],"class_list":["post-10524","post","type-post","status-publish","format-standard","hentry","category-12"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8o6gA-2JK","jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10524","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10524"}],"version-history":[{"count":0,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=\/wp\/v2\/posts\/10524\/revisions"}],"wp:attachment":[{"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10524"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10524"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/melotopia.net\/b\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10524"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}