Numpy has masked arrays [1]. Though I can't say how well they work. [1] https://docs.scipy.org/doc/numpy/reference/maskedarray.generic.html#rationale https://d

Numpy has masked arrays [1]. Though I can't say how well they work. [1] https://docs.scipy.org/doc/numpy/reference/maskedarray.generic.html#rationale https://docs.scipy.org/doc/numpy/reference/maskedarray.gener...