python两个list对应元素操作(相减)numpy数组(array)扩充(复制)方法repeat

v =list(map(lambda x,y:x - y,[1,2],[0,1]))
ref
https://blog.csdn.net/JoeBlackzqq/article/details/7385333
【python】numpy数组(array)扩充(复制)方法repeat和tile的使用
a=np.repeat(4,4).reshape(4,1)

https://blog.csdn.net/yimingsilence/article/details/52924359

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