NumPy is an extension of the Python language that adds support to large multidimensional arrays and matrixes, along with a large library of high-level mathematical functions for operations with these arrays.
I have a numpy array containing: [1, 2, 3] I want to create an array containing: [1, 2, 3, 1] That is, I want to add the …
python arrays numpyI want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D …
python arrays matrix numpy multidimensional-arraySay I have an array a: a = np.array([[1,2,3], [4,5,6]]) array([[1, 2, 3], [4, 5, 6]]) I would like to convert it to a 1D array (…
python numpyIs there a convenient way to calculate percentiles for a sequence or single-dimensional numpy array? I am looking for something …
python numpy statistics numpy-ndarray percentileI'm trying to run this program import cv2 import time cv.NamedWindow("camera", 1) capture = cv.CaptureFromCAM(0) while True: img = cv.…
python python-2.7 numpy opencvi=np.arange(1,4,dtype=np.int) a=np.arange(9).reshape(3,3) and a >>>array([[0, 1, 2], [3, 4, 5], [6, 7, 8]]) a[:,0:1] >>>…
python numpy indexing vectorizationThis is an easy question but say I have an MxN matrix. All I want to do is extract specific …
python syntax numpyAfter doing some processing on an audio or image array, it needs to be normalized within a range before it …
python arrays numpy scipy convenience-methods