[julia-users] Re: How do I create a function signature for a 2x2 matrix?

[Ivar Nesje]

Do you mean

*{T}(a::Array{T,2}, b) = whatever

?

Ivar

kl. 15:10:23 UTC+2 tirsdag 24. juni 2014 skrev Rick Muller følgende:
>
> I want to create a function signature for the *(a,b) operator where a is a 
> 2x2 matrix. Can I do this?
>
>     *(a::Array{??,2},b) = whatever
>
> ??? is anything than can multiply a Complex vector. Do I have to 
> explicitly promote this to Complex, in which case I guess it would be
>
>    *(a::Array{Complex,(2,2)},b::Array{Complex,1}) = whatever
>
> Thanks in advance for any help you can offer.  
>