関連ワード:  numpy create 2d array    numpy create 2d array of zeros    numpy create 2d array from 1d arrays    numpy create 2d array from two 1d arrays    numpy create 2d array with random values    numpy create 2d array with same value    numpy create 2d array from list    numpy create 2d array of ones    numpy create 2d array filled with zeros    numpy create 2d array linspace