[Haskell-cafe] Simple matrix

Atila Romero atilaromero at yahoo.com.br
Wed Jun 21 13:50:34 EDT 2006

Well, I was forcing A+[[]] to be A instead of [[]].
But who would do that kind of thing anyway?
So I agree with you, those 2 (+) lines are useless.


David House wrote:
> Sorry, a few corrections to my above points:
> On 21/06/06, David House <dmhouse at gmail.com> wrote:
>> * Zipping the empty list with anything produces the empty list, so
>> your two equations for (*) involving the empty list are redundant.
> I meant (+).
>> * You define vectorsum, but don't seem to use it anywhere.
> Disregard this.


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