Jeremy Howard wrote:
> @b = (1,2,3);
> @c = (2,4,6);
> @d = (-2,-4,-6);
> $sum = reduce ^_+^_, @b * @c + @d;
>
> should be evaluated as if it read:
>
> $sum = 0;
> $sum += $b[$_] * $c[$_] + $d[_] for (0..$#a-1));
>
> That is, no temporary list is created, and only one loop is requi
Baris wrote:
> Looping through the matrix elements is probably most common thing people
do
> in matrix computation. And because of some weird reason I am not aware of,
> the only way to do this efficiently is to write your program in C. So
> everybody I know sooner or later switches to C because o
Baris wrote:
> PDL has PP, which is very nice, but you still need to compile the code (Is
> this correct? Is there any documentation about how to compile pp code?).
There is. It's towards the end of the PP manpage.
> sub sumit{
>my @a = @_;
> $tmp = 0;
>