sorry, I was not sufficiently precise about my example
I meant to talk about atomic a only

if $ a is empty, then
+./ (, -) a
will work

Thanks for pointing out the lack of precision.

Am 16.05.20 um 11:46 schrieb Raul Miller:
I was talking about the implementation.

These are different results:

    +./@(,-)4.57 4.34 4.44
8.88178e_16
    +./@(,-)&.x:4.57 4.34 4.44
0.01
    +./@(,-)&.:(*&1p1)4.57 4.34 4.44
5.65432e_16

The reason is that binary floating point cannot represent 5^_1 nor
5^_2 accurately.

Thanks,


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