파이썬 미세먼지 팁 모음
>>> import cv, numpy
>>> a = numpy.ones((480, 640))
>>> mat = cv.fromarray(a)
>>> print mat.rows
480
>>> print mat.cols
640Ubuntu 미세먼지 팁들
sudo apt-get install lsb-release scrot wget http://github.com/downloads/djmelik/archey/archey-0.2.8.deb sudo dpkg -i archey-0.2.8.deb archey install
1D array from 2D
답글삭제>>> import numpy as np
>>> x2 = np.array([[1,2,3,4]])
>>> x2.shape
(1, 4)
>>> x1 = x2[0,:]
>>> x1
array([1, 2, 3, 4])
>>> x1.shape
(4,)
그밖에도 다음과 같은 다수방법 존재:
답글삭제]
arr1d = np.ravel(arr2d)
arr1d = arr2d.ravel()
arr1d = arr2d.flatten()
arr1d = np.reshape(arr2d, -1)
arr1d = arr2d.reshape(-1)
arr1d = arr2d[0, :]