AA
(but make sure docs make sense after the change)

On Thursday, October 27, 2016 at 4:21:02 PM UTC, Travis Scrimshaw wrote:
>
> I am for BB because:
>
> 1 - the definition (as even given in the docstring) still makes full sense 
> if the matrices are not the same size or if they are not square. There does 
> not exist such a matrix P.
>

this is an argument for changing the docs, yes.
 

> 2 - It puts an unnecessary burden on the average user. They have to deal 
> with errors on a true/false question. You then also have to explain why 
> there is the error message to your linear algebra students, provided you 
> were very careful with your definition of similar matrices.
>

Just as they have to deal with errors from multiplying matrices of 
different sizes.
 

> 3 - It is a backwards incompatible change that (IMO) is not a bug and we 
> cannot deprecate.
>
>
 well, a wrong decision was made at some point. Do you mean to say one has 
to keep suffering from it forever? :-)

Cheers,
Dima

Best,
> Travis
>
>

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