5
我有两个numpy阵列(2维),例如如何使这种平等数组快速(在numpy中)?
a1 = array([["a","b"],["a","c"],["b","b"],["a","b"]])
a2 = array([["a","b"],["b","b"],["c","a"],["a","c"]])
什么是得到一个矩阵像这样的最优雅的方式:
array([[1,0,0,0],
[0,0,0,1],
[0,1,0,0],
[1,0,0,0]])
其中元素(I,J)为1,如果所有(A1 [我,:] == A2 [J ,:]),否则0
(一切涉及两个for循环,我不认为优雅)
非常地道! +1 – heltonbiker