관리-도구

편집 파일: ndarray_shape_manipulation.py

import numpy as np nd1 = np.array([[1, 2], [3, 4]]) # reshape nd1.reshape(4) nd1.reshape(2, 2) nd1.reshape((2, 2)) nd1.reshape((2, 2), order="C") nd1.reshape(4, order="C") # resize nd1.resize() nd1.resize(4) nd1.resize(2, 2) nd1.resize((2, 2)) nd1.resize((2, 2), refcheck=True) nd1.resize(4, refcheck=True) nd2 = np.array([[1, 2], [3, 4]]) # transpose nd2.transpose() nd2.transpose(1, 0) nd2.transpose((1, 0)) # swapaxes nd2.swapaxes(0, 1) # flatten nd2.flatten() nd2.flatten("C") # ravel nd2.ravel() nd2.ravel("C") # squeeze nd2.squeeze() nd3 = np.array([[1, 2]]) nd3.squeeze(0) nd4 = np.array([[[1, 2]]]) nd4.squeeze((0, 1))