[Python] Indexing An Array With Another Array with numpy

NumPy Reference: Indexing

def indexing():
    a = np.random.rand(5)
    print(a)  #[ 0.71899463  0.50556877  0.8397599   0.37655158  0.88041567]
    indices = np.array([1,1,2,3]) # access index of 1,1,2,3
    print(a[indices])  #[ 0.50556877  0.50556877  0.8397599   0.37655158]

if __name__ == "__main__":
    indexing()
原文地址:https://www.cnblogs.com/Answer1215/p/8059726.html