NumPy Concatenate: Руководство
__main__ Python module |
array Python module |
Arrays |
ast Python module |
code Python module |
COM PHP module |
DOM PHP module |
Ev PHP module |
Event PHP module |
exp |
FFI PHP module |
http Python module |
imp Python module |
io Python module |
JavaScript |
join |
jQuery JavaScript library |
numbers Python module |
NumPy |
os Python module |
PS PHP module |
Python functions |
Rar PHP module |
re Python module |
SPL PHP module |
StackOverflow |
struct Python module |
test Python module |
time Python module |
UI PHP module
Michael Zippo
27.11.2021
–ö–∞–∫ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –º–∞—Å—Å–∏–≤—ã NumPy
NumPy - –æ—Ç–ª–∏—á–Ω–∞—è –±–∏–±–ª–∏–æ—Ç–µ–∫–∞ –¥–ª—è —Ä–∞–±–æ—Ç—ã —Å –º–∞—Å—Å–∏–≤—ã –≤ Python . –û–Ω –æ—Ö–≤–∞—Ç—ã–≤–∞–µ—Ç –≤—Å–µ, –æ—Ç —Å–æ–∑–¥–∞–Ω–∏—è –¥–æ —É–ø—Ä–∞–≤–ª–µ–Ω–∏—è –º–∞—Å—Å–∏–≤–∞–º–∏ –ª—é–±–æ–≥–æ —Ä–∞–∑–º–µ—Ä–∞. –ü–æ—ç—Ç–æ–º—É –Ω–µ—É–¥–∏–≤–∏—Ç–µ–ª—å–Ω–æ, —á—Ç–æ NumPy –ø–æ—Å—Ç–∞–≤–ª—è–µ—Ç—Å—è —Å —É—Ç–∏–ª–∏—Ç–æ–π, –∫–æ—Ç–æ—Ä—É—é –º–æ–∂–Ω–æ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å –¥–ª—è –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—è –º–∞—Å—Å–∏–≤–æ–≤.
–ú–µ—Ç–æ–¥ numpy.concatenate () –æ–±—ä–µ–¥–∏–Ω—è–µ—Ç –¥–≤–∞ –∏–ª–∏ –±–æ–ª–µ–µ –º–∞—Å—Å–∏–≤–∞ –≤ –µ–¥–∏–Ω—ã–π –º–∞—Å—Å–∏–≤.
–í —ç—Ç–æ–º —Ä—É–∫–æ–≤–æ–¥—Å—Ç–≤–µ –º—ã –ø–æ–≥–æ–≤–æ—Ä–∏–º –æ —Ç–æ–º, —á—Ç–æ —Ç–∞–∫–æ–µ –º–∞—Å—Å–∏–≤—ã NumPy –∏ –∫–∞–∫ –∏—Ö –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å. –ú—ã —Ä–∞—Å—Å–º–æ—Ç—Ä–∏–º –Ω–µ—Å–∫–æ–ª—å–∫–æ –ø—Ä–∏–º–µ—Ä–æ–≤, –∫–æ—Ç–æ—Ä—ã–µ –ø–æ–º–æ–≥—É—Ç –≤–∞–º –Ω–∞—á–∞—Ç—å —Ä–∞–±–æ—Ç—É. –ù–∞—á–Ω–µ–º!
–°—Ç—Ä—É–∫—Ç—É—Ä–∞ –º–∞—Å—Å–∏–≤–∞
–ú–∞—Å—Å–∏–≤ NumPy - —ç—Ç–æ —Ç–∏–ø –º–∞—Å—Å–∏–≤ , –∫–æ—Ç–æ—Ä—ã–π —Ä–∞–±–æ—Ç–∞–µ—Ç —Å –±–∏–±–ª–∏–æ—Ç–µ–∫–æ–π NumPy. –û–Ω –≤—ã–≥–ª—è–¥–∏—Ç –∫–∞–∫ –ª—é–±–æ–π –¥—Ä—É–≥–æ–π –º–∞—Å—Å–∏–≤, –Ω–æ —Ö—Ä–∞–Ω–∏—Ç—Å—è –≤–Ω—É—Ç—Ä–∏ –æ–±—ä–µ–∫—Ç–∞ ndarray:
–î–ª—è —Ä–∞–±–æ—Ç—ã —Å –º–∞—Å—Å–∏–≤–æ–º NumPy –Ω–∞–º –Ω–µ–æ–±—Ö–æ–¥–∏–º–æ –∏–º–ø–æ—Ä—Ç–∏—Ä–æ–≤–∞—Ç—å –±–∏–±–ª–∏–æ—Ç–µ–∫—É numpy :
–ú—ã —Å–æ–±–∏—Ä–∞–µ–º—Å—è –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –¥–≤–∞ –º–∞—Å—Å–∏–≤–∞. –û–¥–∏–Ω –º–∞—Å—Å–∏–≤ –±—É–¥–µ—Ç —Å–æ–¥–µ—Ä–∂–∞—Ç—å –≤—Å–µ —á–∏—Å–ª–∞ –æ—Ç 1 –¥–æ 9 (–≤–∫–ª—é—á–∏—Ç–µ–ª—å–Ω–æ). –í—Ç–æ—Ä–æ–π –º–∞—Å—Å–∏–≤ –±—É–¥–µ—Ç —Å–æ–¥–µ—Ä–∂–∞—Ç—å –≤—Å–µ —á–∏—Å–ª–∞ –æ—Ç 10 –¥–æ 18 (–≤–∫–ª—é—á–∏—Ç–µ–ª—å–Ω–æ).
–î–∞–≤–∞–π—Ç–µ —Å–æ–∑–¥–∞–¥–∏–º —ç—Ç–∏ –º–∞—Å—Å–∏–≤—ã —Å –ø–æ–º–æ—â—å—é –º–µ—Ç–æ–¥–∞ arange ():
–≠—Ç–æ—Ç –∫–æ–¥ —Å–æ–∑–¥–∞–µ—Ç –¥–≤–∞ –º–∞—Å—Å–∏–≤–∞. –ö–∞–∂–¥—ã–π –º–∞—Å—Å–∏–≤ –ø—Ä–µ–¥—Å—Ç–∞–≤–ª—è–µ—Ç —Å–æ–±–æ–π –¥–≤—É–º–µ—Ä–Ω—ã–π –º–∞—Å—Å–∏–≤. –ú—ã —Å–¥–µ–ª–∞–ª–∏ —ç—Ç–∏ –º–∞—Å—Å–∏–≤—ã 2d —Å –ø–æ–º–æ—â—å—é –º–µ—Ç–æ–¥–∞ reshape (), –∫–æ—Ç–æ—Ä—ã–π —Å–æ–∑–¥–∞–µ—Ç —Å–µ—Ç–∫—É 3 & times; 3 –¥–ª—è –∫–∞–∂–¥–æ–≥–æ –º–∞—Å—Å–∏–≤–∞:
81% —É—á–∞—Å—Ç–Ω–∏–∫–æ–≤ –∑–∞—è–≤–∏–ª–∏, —á—Ç–æ —á—É–≤—Å—Ç–≤—É—é—Ç —Å–µ–±—è –±–æ–ª–µ–µ —É–≤–µ—Ä–µ–Ω–Ω–æ –æ–± –∏—Ö –ø–µ—Ä—Å–ø–µ–∫—Ç–∏–≤–∞—Ö —Ç—Ä—É–¥–æ—É—Å—Ç—Ä–æ–π—Å—Ç–≤–∞ –≤ —Å—Ñ–µ—Ä–µ –≤—ã—Å–æ–∫–∏—Ö —Ç–µ—Ö–Ω–æ–ª–æ–≥–∏–π –ø–æ—Å–ª–µ —É—á–∞—Å—Ç–∏—è –≤ –±—É—Ç–∫–µ–º–ø–µ. –ù–∞–π–¥–∏—Ç–µ –ø–æ–¥—Ö–æ–¥ –∫ —É—á–µ–±–Ω–æ–º—É –ª–∞–≥–µ—Ä—é —Å–µ–≥–æ–¥–Ω—è.
–°—Ä–µ–¥–Ω–∏–π –≤—ã–ø—É—Å–∫–Ω–∏–∫ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –ø–æ—Ç—Ä–∞—Ç–∏–ª –º–µ–Ω–µ–µ —à–µ—Å—Ç–∏ –º–µ—Å—è—Ü–µ–≤ –Ω–∞ —Å–º–µ–Ω—É –∫–∞—Ä—å–µ—Ä—ã, –æ—Ç –Ω–∞—á–∞–ª–∞ —É—á–µ–±–Ω–æ–≥–æ –ª–∞–≥–µ—Ä—è –¥–æ –ø–æ–∏—Å–∫–∞ —Å–≤–æ–µ–π –ø–µ—Ä–≤–æ–π —Ä–∞–±–æ—Ç—ã.
–¢–µ–ø–µ—Ä—å —É –Ω–∞—Å –µ—Å—Ç—å –¥–≤–∞ –º–∞—Å—Å–∏–≤–∞ —Å —Å –∫–æ—Ç–æ—Ä—ã–º –º—ã –º–æ–∂–µ–º —Ä–∞–±–æ—Ç–∞—Ç—å! –î–∞–≤–∞–π—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏–º –∏—Ö —Å –ø–æ–º–æ—â—å—é concatenate ().
NumPy Concatenation
–í—ã –º–æ–∂–µ—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –º–∞—Å—Å–∏–≤ –ø–æ –¥–≤—É–º –æ—Å—è–º: –ø–æ —Å—Ç—Ä–æ–∫–µ –∏–ª–∏ –ø–æ —Å—Ç–æ–ª–±—Ü—É. –≠—Ç–æ –¥–æ—Å—Ç–∏–≥–∞–µ—Ç—Å—è —Å –ø–æ–º–æ—â—å—é –º–µ—Ç–æ–¥–∞ concatenate (). –ú–µ—Ç–æ–¥ –∫–æ–Ω–∫–∞—Ç–µ–Ω–∞—Ü–∏–∏ –º–æ–∂–µ—Ç –æ–±—ä–µ–¥–∏–Ω—è—Ç—å 1d, 2d, 3d, 4d –∏ –º–∞—Å—Å–∏–≤—ã —Å –±–æ–ª—å—à–∏–º –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ–º –∏–∑–º–µ—Ä–µ–Ω–∏–π.
–û–±—ä–µ–¥–∏–Ω–µ–Ω–∏–µ –ø–æ —Å—Ç—Ä–æ–∫–∞–º
–ú—ã –Ω–∞—á–Ω–µ–º —Å –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—è –Ω–∞—à–∏—Ö –¥–≤—É—Ö –º–∞—Å—Å–∏–≤–æ–≤ –ø–æ —Å—Ç—Ä–æ–∫–∞–º. –≠—Ç–æ –ø–æ–∑–≤–æ–ª–∏—Ç –≤—ã—Ä–æ–≤–Ω—è—Ç—å —ç–ª–µ–º–µ–Ω—Ç—ã –≤ –Ω–∞—à–∏—Ö –¥–≤—É—Ö –º–∞—Å—Å–∏–≤–∞—Ö –ø–æ —Å—Ç—Ä–æ–∫–∞–º –∏ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –∏—Ö –≤ –æ–¥–∏–Ω –º–∞—Å—Å–∏–≤:
–ú—ã —É–∫–∞–∑–∞–ª–∏ –∫–æ—Ä—Ç–µ–∂ –≤–Ω—É—Ç—Ä–∏ —Ñ—É–Ω–∫—Ü–∏–∏ concatenate (). –≠—Ç–æ—Ç –∫–æ—Ä—Ç–µ–∂ —Å–æ–¥–µ—Ä–∂–∏—Ç —Å–ø–∏—Å–æ–∫ –º–∞—Å—Å–∏–≤–æ–≤, –∫–æ—Ç–æ—Ä—ã–µ –º—ã —Ö–æ—Ç–∏–º –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å. –ë–µ–∑ –∫–∞–∫–∏—Ö-–ª–∏–±–æ –ø–∞—Ä–∞–º–µ—Ç—Ä–æ–≤, concatenate () –æ–±—ä–µ–¥–∏–Ω—è–µ—Ç—Å—è –ø–æ —Å—Ç—Ä–æ–∫–∞–º.
–ù–∞—à –∫–æ–¥ –≤–æ–∑–≤—Ä–∞—â–∞–µ—Ç:
–ù–∞—à–∏ –º–∞—Å—Å–∏–≤—ã –æ–±—ä–µ–¥–∏–Ω–µ–Ω—ã –ø–æ —Å—Ç—Ä–æ–∫–∞–º.
–û–±—ä–µ–¥–∏–Ω–∏—Ç—å –ø–æ —Å—Ç–æ–ª–±—Ü—É
–í—ã –º–æ–∂–µ—Ç–µ –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å t –º–µ—Ç–æ–¥ –∫–æ–Ω–∫–∞—Ç–µ–Ω–∞—Ü–∏–∏ –¥–ª—è –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—è –¥–≤—É—Ö –º–∞—Å—Å–∏–≤–æ–≤ –ø–æ —Å—Ç–æ–ª–±—Ü–∞–º.
–î–ª—è —ç—Ç–æ–≥–æ –Ω–∞–º –Ω—É–∂–Ω–æ –≤–≤–µ—Å—Ç–∏ –Ω–æ–≤—ã–π –ø–∞—Ä–∞–º–µ—Ç—Ä: –æ—Å—å. –ü–æ —É–º–æ–ª—á–∞–Ω–∏—é —ç—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ —Ä–∞–≤–Ω–æ 0. –≠—Ç–æ —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤—É–µ—Ç –æ—Å–∏ x –∏–ª–∏ –æ—Å–∏ —Å—Ç—Ä–æ–∫–∏. –ú—ã –º–æ–∂–µ–º –ø–µ—Ä–µ–æ–ø—Ä–µ–¥–µ–ª–∏—Ç—å —ç—Ç–æ –∑–Ω–∞—á–µ–Ω–∏–µ –∏ —É—Å—Ç–∞–Ω–æ–≤–∏—Ç—å –µ–≥–æ –Ω–∞ 1. –≠—Ç–æ –æ–±—ä–µ–¥–∏–Ω–∏—Ç –Ω–∞—à–∏ –¥–≤–∞ –º–∞—Å—Å–∏–≤–∞ –ø–æ —Å—Ç–æ–ª–±—Ü–∞–º.
–î–∞–≤–∞–π—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏–º –Ω–∞—à–∏ –¥–≤–∞ –º–∞—Å—Å–∏–≤–∞ –ø–æ —Å—Ç–æ–ª–±—Ü–∞–º:
–ù–∞—à –∫–æ–¥ –ø–æ—á—Ç–∏ —Ç–∞–∫–æ–π –∂–µ, –∫–∞–∫ –≤ –Ω–∞—à–µ–º –ø–æ—Å–ª–µ–¥–Ω–µ–º –ø—Ä–∏–º–µ—Ä–µ. –†–∞–∑–Ω–∏—Ü–∞ –≤ —Ç–æ–º, —á—Ç–æ –º—ã —É–∫–∞–∑–∞–ª–∏ –ø–∞—Ä–∞–º–µ—Ç—Ä axis = 1. –î–∞–≤–∞–π—Ç–µ –ø–æ—Å–º–æ—Ç—Ä–∏–º, —á—Ç–æ –ø—Ä–æ–∏–∑–æ–π–¥–µ—Ç, –∫–æ–≥–¥–∞ –º—ã –∑–∞–ø—É—Å—Ç–∏–º –Ω–∞—à –∫–æ–¥:
–ù–∞—à–∏ –º–∞—Å—Å–∏–≤—ã –æ–±—ä–µ–¥–∏–Ω—è—é—Ç—Å—è –ø–æ —Å—Ç–æ–ª–±—Ü–∞–º. & Nbsp;
–û–±—ä–µ–¥–∏–Ω–µ–Ω–∏–µ –±–æ–ª–µ–µ –¥–≤—É—Ö –º–∞—Å—Å–∏–≤–æ–≤
–ú–µ—Ç–æ–¥ concatenate () –º–æ–∂–µ—Ç –æ–±—ä–µ–¥–∏–Ω—è—Ç—å –ª—é–±–æ–µ –∫–æ–ª–∏—á–µ—Å—Ç–≤–æ –º–∞—Å—Å–∏–≤–æ–≤. –î–∞–≤–∞–π—Ç–µ –ø–æ–ø—Ä–æ–±—É–µ–º –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å —Ç—Ä–∏ –º–∞—Å—Å–∏–≤–∞ –ø–æ –≥–æ—Ä–∏–∑–æ–Ω—Ç–∞–ª—å–Ω–æ–π –æ—Å–∏. –ú–∞—Å—Å–∏–≤—ã, —Å –∫–æ—Ç–æ—Ä—ã–º–∏ –º—ã –±—É–¥–µ–º —Ä–∞–±–æ—Ç–∞—Ç—å, —Å–æ–¥–µ—Ä–∂–∞—Ç –≤—Å–µ —á–∏—Å–ª–∞ –≤ –¥–∏–∞–ø–∞–∑–æ–Ω–µ:
- –æ—Ç 1 –¥–æ 9 (–≤–∫–ª—é—á–∏—Ç–µ–ª—å–Ω–æ).
- –æ—Ç 10 –¥–æ 18 (–≤–∫–ª—é—á–∏—Ç–µ–ª—å–Ω–æ).
- –æ—Ç 19 –¥–æ 27 (–≤–∫–ª—é—á–∏—Ç–µ–ª—å–Ω–æ).
–î–∞–≤–∞–π—Ç–µ –æ–ø—Ä–µ–¥–µ–ª–∏–º –Ω–∞—à–∏ –º–∞—Å—Å–∏–≤—ã –≤ Python:
–ó–∞—Ç–µ–º –º—ã –º–æ–∂–µ–º –∏—Å–ø–æ–ª—å–∑–æ–≤–∞—Ç—å concatenate, —á—Ç–æ–±—ã –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –∏—Ö –≤–º–µ—Å—Ç–µ:
–ú—ã –æ–ø—Ä–µ–¥–µ–ª–∏–ª–∏ –Ω–∞—à–∏ —Ç—Ä–∏ –º–∞—Å—Å–∏–≤–∞ –∫–∞–∫ –∫–æ—Ä—Ç–µ–∂ –≤ –º–µ—Ç–æ–¥–µ concatenate (). –í —Å–æ—á–µ—Ç–∞–Ω–∏–∏ —ç—Ç–∏ –º–∞—Å—Å–∏–≤—ã —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤—É—é—Ç –≤—Å–µ–º —á–∏—Å–ª–∞–º –æ—Ç 1 –¥–æ 27. & nbsp;
–ù–∞—à–∏ —Ç—Ä–∏ –º–∞—Å—Å–∏–≤–∞ —Ç–µ–ø–µ—Ä—å –ø—Ä–∏—Å–≤–æ–µ–Ω–æ –ø–µ—Ä–µ–º–µ–Ω–Ω–æ–π " final_array & rdquo ;. –ú—ã –Ω–∞–ø–µ—á–∞—Ç–∞–ª–∏ —ç—Ç—É –ø–µ—Ä–µ–º–µ–Ω–Ω—É—é –Ω–∞ –∫–æ–Ω—Å–æ–ª–∏, —á—Ç–æ–±—ã –ø–æ–∫–∞–∑–∞—Ç—å, —á—Ç–æ –Ω–∞—à–∏ –º–∞—Å—Å–∏–≤—ã –±—ã–ª–∏ —É—Å–ø–µ—à–Ω–æ –æ–±—ä–µ–¥–∏–Ω–µ–Ω—ã.
"–ö–∞—Ä—å–µ—Ä–Ω–∞—è –∫–∞—Ä–º–∞" –≤–æ—à–µ–ª –≤ –º–æ—é –∂–∏–∑–Ω—å, –∫–æ–≥–¥–∞ —è –Ω—É–∂–¥–∞–ª—Å—è –±–æ–ª—å—à–µ –≤—Å–µ–≥–æ –≤ —ç—Ç–æ–º, –∏ –±—ã—Å—Ç—Ä–æ –ø–æ–º–æ–≥ –º–Ω–µ –ø—Ä–æ–≤–µ—Å—Ç–∏ –±—É—Ç–∫–µ–º–ø. –ß–µ—Ä–µ–∑ –¥–≤–∞ –º–µ—Å—è—Ü–∞ –ø–æ—Å–ª–µ –≤—ã–ø—É—Å–∫–∞ —è –Ω–∞—à–ª–∞ —Ä–∞–±–æ—Ç—É —Å–≤–æ–µ–π –º–µ—á—Ç—ã, –∫–æ—Ç–æ—Ä–∞—è —Å–æ–æ—Ç–≤–µ—Ç—Å—Ç–≤–æ–≤–∞–ª–∞ –º–æ–∏–º —Ü–µ–Ω–Ω–æ—Å—Ç—è–º –∏ —Ü–µ–ª—è–º –≤ –∂–∏–∑–Ω–∏! "
< p> –í—ã –º–æ–∂–µ—Ç–µ –æ–±—ä–µ–¥–∏–Ω–∏—Ç—å –¥–≤–∞ –∏–ª–∏ –±–æ–ª–µ–µ 1d-–º–∞—Å—Å–∏–≤–æ–≤ —Å –ø–æ–º–æ—â—å—é –º–µ—Ç–æ–¥–æ–≤ vstack –∏ hstack.
, —á–µ–º —ç—Ç–∏ –º–µ—Ç–æ–¥—ã.
—Ç–∞–∫–∂–µ –ø–æ–¥–¥–µ—Ä–∂–∏–≤–∞–µ—Ç –∫–æ–Ω–∫–∞—Ç–µ–Ω–∞—Ü–∏—é –º–∞—Å—Å–∏–≤–æ–≤ 2d, 3d –∏ –±–æ–ª–µ–µ –≤—ã—Å–æ–∫–∏—Ö –∏–∑–º–µ—Ä–µ–Ω–∏–π.
–¢–µ–ø–µ—Ä—å –≤—ã –≥–æ—Ç–æ–≤—ã –ø—Ä–∏—Å—Ç—É–ø–∏—Ç—å –∫ –æ–±—ä–µ–¥–∏–Ω–µ–Ω–∏—é –º–∞—Å—Å–∏–≤–æ–≤ NumPy, –∫–∞–∫ —ç–∫—Å–ø–µ—Ä—Ç –ø–æ Python!
