我有一些数值的NumPy数组,我希望数值为2、3和7的点将保持不变,但其他值将是NaN.
原始的nyopartist数组看起来像这样
[[0, 7, 2, ..., 1, 6, 0],
[5, 3, 0, ..., 2, 5, 0],
...,
[8, 2, 0, ..., 1, 0, 7],
[0, 3, 2, ..., 0, 2, 0],
[7, 1, 0, ..., 0, 7, 0]],
我的预期结果是
[[nan, 7, 2, ..., nan, nan, nan],
[nan, 3, nan, ..., 2, nan, nan],
...,
[nan, 2, nan, ..., nan, nan, 7],
[nan, 3, 2, ..., nan, 2, nan],
[7, nan, nan, ..., nan, 7, nan]],