Mon Mar 26 17:36:59 CDT 2007
Charles R Harris wrote:
> The rule 1-d is always a *row* vector only applies when converting
> to a
> In this case, the dot operator does not "convert to a matrix" but
> rules for operating with mixed 2-d and 1-d arrays inherited from
> I'm very hesitant to change those rules.
> I wasn't suggesting that, just noticing that the rule was 1-d vector
> on right is treated as a column vector by dot, which is why an
> exception was raised in the posted case. If it is traditional for
> matrix routines always treat is as a row vector, so be it.
O.K. So, the problem is that when I defined matrix multiplication, I
mistakenly believed that dot always interpreted 1-d arrays as row
vectors which it is now clear it doesn't.
I think this led to the issues.
So, making dot always return arrays seems like the needed fix.
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