Look into

1 */\. y

Henry Rich


On 10/30/2013 10:49 PM, Don Kelly wrote:
I tried it but it doesn't work.
What I want is result  D =(a*b +b*c +c*a) and get D/c, D/a, D/b

  zij
3j1.5 5j1.5 7j_1.5

F zij
0.586738j_0.159111   wrong answer

d2y2=:+/ %~ ] * _1&|.    (Jasmin's version)
1.57426j0.242574 0.920792j0.707921 2.47855j_0.0478548   Correct answer

Jasmin's answer took about 1/3 the time and space of the explicit
original version. so did Day's version and Boss'  version using
deltoya=: 13 :  vs 3 :
Not that time and space are important where this would be applied.

Don Kelly



On 30/10/2013 5:31 AM, Raul Miller wrote:
On Wed, Oct 30, 2013 at 2:51 AM, Don Kelly <[email protected]> wrote:

You are right but it is a bit of serendipity  What I wanted is (a*b+
b*c+c*a ) % c a b .
it doesn't matter how the pairs are formed in the numerator ac+ba+cb is
the same.

Like this?

    F=: +/ .* (</~i.3) +/ .* ] % */

That's probably awful for speed, but it does express the idea.

Thanks,


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