Python 如何在numpy ndarray中添加2列?
我有一个numpy Ndaray,如下所示:Python 如何在numpy ndarray中添加2列?,python,python-3.x,numpy,numpy-ndarray,Python,Python 3.x,Numpy,Numpy Ndarray,我有一个numpy Ndaray,如下所示: [[1 9 1 1] [9 3 1 1] [1 9 9 1] [8 2 4 7]] 我想添加最后两列的值以得到下面的结果 [[1 9 2] [9 3 2] [1 9 10] [8 2 11]] 求和,然后删除最后一列 myArray[:, -2] = myArray[:,-2] + myArray[:,-1] myArray = myArray[:,:-1] 是的,谢谢!
[[1 9 1 1]
[9 3 1 1]
[1 9 9 1]
[8 2 4 7]]
我想添加最后两列的值以得到下面的结果
[[1 9 2]
[9 3 2]
[1 9 10]
[8 2 11]]
求和,然后删除最后一列
myArray[:, -2] = myArray[:,-2] + myArray[:,-1]
myArray = myArray[:,:-1]
是的,谢谢!