2D matrix operation (subtraction)

[Andre Pany]

On Saturday, 22 February 2020 at 08:29:32 UTC, 9il wrote:
> On Friday, 21 February 2020 at 13:42:24 UTC, Andre Pany wrote:
>> Mir is great and actually I try to rewrite some Python Pandas 
>> Dataframe index logic.
>
> Maybe mir.series [1] can work for you.
>
> Series!(Key*, Value*) - is a pair of two 1D ndslices, they can 
> be sorted according to the first one ndslice (keys). Series has 
> `get` methods.
>
> Series!(Key*, Value*, 2) is a pair of 1D ndslice (keys) and 2D 
> ndslice (values matrix).
>
> Series has slicing primitives.
>
> Keys corresponds to the first dimension.
>
> http://mir-algorithm.libmir.org/mir_series.html#Series

Thanks a lot for all the answers.

Kind regards
Andre