You're welcome, Devon.
I've quite forgotten I'd done that. I recognise the article, now I see
it again. A bit of a Bayesian myself, I must have repaired it because
I remember thinking at the time what a good intro to Bayesianism it
was, with applications to human factors topics I was deeply into
t
Hi - I've put up some links relating to my recent talk introducing Bayesian
statistics - http://www.sigapl.org/BayesianLinks.php .
Thanks to Ian Clark for reviving my old APL essay on this (
http://code.jsoftware.com/wiki/User:Devon_McCormick/DynamicLinearModels/BayesianFinancialDynamicLinearModel
5 -: +/&.:*: 3 4
1
5 (-: +/&.:*:) 3 4
1
isRightTriange=: (-: +/&.:*:)~
3 4 isRightTriangle 5
1
Or, if you didn't mind using the other order,
isrt=: -: +/&.:*:
5 isrt 3 4
1
Thanks,
--
Raul
On Mon, Mar 28, 2016 at 4:26 PM, Adam Tornhill wrote:
> I'm moving on to learn J and t
One option is to use a dyadic hook (rather than
5 (= +/)&:*: 3 4
If you want to use the same argument order as before:
3 4 (= +/)&:*:~ 5
Another option would be not to separate the triangle sides:
isRightTri=: ({: = +/@:}:)@:*:@/:~"1
isRightTri 3 4 5 , 5 9 6 ,: 5 16 20
1 0 0
On Tue, Mar 29,
When the same thing needs to be done to both the left and right arguments &
and similar conjunctions can do the job.
isRightTriangle =: =/&([:+/*:)
3 4 isRightTriangle 5
1
On Mon, Mar 28, 2016 at 2:26 PM, Adam Tornhill
wrote:
> I'm moving on to learn J and try to get some practical exerci
I'm moving on to learn J and try to get some practical exercise by working
though problems from the Dyalog APL competition.
One of the simpler problems is to write a verb that determines if the given
legs of a triangle (left argument) and its hypotenuse (right argument)
represent a right triang
Thanks again!
On Mon, Mar 28, 2016 at 10:08 AM, roger stokes
wrote:
> Pepe (and anyone else interested)
>
> Here is a version of the J Introduction and
> Dictionary for J7 dated 1993. It is at
>
> www.learningj.com/JDOC1993.zip
>
> The Dictionary is complete but the Introduction has only a
Pepe (and anyone else interested)
Here is a version of the J Introduction and
Dictionary for J7 dated 1993. It is at
www.learningj.com/JDOC1993.zip
The Dictionary is complete but the Introduction has only a
few pages at present. Size is 47Mb.
Each page is a jpeg, readable I hope, though I
