There's quite a bit of material on permutations and permutation groups on J
Wiki.
I recommend you to search the site on the word "permutation"…
https://code.jsoftware.com/mediawiki/index.php?search=permutation&title=Special%3ASearch&go=Go
On Wed, 16 Oct 2019 at 18:36, 'robert therriault' via Prog
It might be worth looking at profile.ijs and profilex.ijs in the "bin"
folder in
your J807 installation. If you don't know where the installation is -
though
I think it's c:/program files/j807 for you - look at the properties
of your Windows shortcut icon for J807, if there's one on your
"Users" and "temp" are the names of the folders. On my Mac, under Finders menu
Go, the Users menu is under the Macintosh HD. Under that (Users) is my Home
folder (jamesrussell), and under that is j901-user/temp. (The different J
versions all used unique names, like j601, j701, j64807,etc.)
I al
What about j807-user?
Or, what does:
fullname_j_ '~user'
give you in that j807 instance?
Thanks,
--
Raul
On Wed, Oct 16, 2019 at 2:48 PM 'Bo Jacoby' via Programming
wrote:
>
> Thanks again Mike.
> j32-807-user is not found anywhere.
>
> What are the names of the user and temp folders?
>
Thanks again Mike.
j32-807-user is not found anywhere.
What are the names of the user and temp folders?
How do I check where they reside?
Bo
Den onsdag den 16. oktober 2019 20.18.03 CEST skrev 'Mike Day' via
Programming :
I see that David Mitchell suggested, on 23/5/19, that you _m
I see that David Mitchell suggested, on 23/5/19, that you _might_ be
having problems
(eg with file permissions) because your installation was and remains in
the "program files"
folder.
It might be worth checking where your user and temp folders reside.
They're probably elsewhere,
perhaps in "
Hi Peter,
I see that Raul has already answered, but here is my two cents, since I had
approached your question in a different way.
A. 3 2 4 1 NB. Monadic A. (Anagram Index) returns the permutation for 3 2
4 1
15
15 A. 0 1 2 3 NB. Dyadic A. (Anagram) returns the permutation applied to 0
That example wouldn't be a permutation in J, because J indices start
at 0. But let's assume you meant to subtract 1 from each of those
values...
Anyways, I think you are asking about this:
https://www.jsoftware.com/help/dictionary/dccapdot.htm
"If p is a permutation of the atoms of i.n, then p i
Hello again,
To my understanding an example of the usual representation of a
permutation is 3 2 4 1, meaning the permutation takes 3 to 1, 2 to 2,
4 to 3 and 1 to 4. The inverse is 4 2 1 3. OK?
In J,
what is a function producing the inverse of a permutation?
what is a function composing two pe
Thanks Mike!
JVERSION
Engine: j807/j32/windows
Release-a: commercial/2019-01-11T11:15:29
Library: 8.07.26
Qt IDE: 1.7.9s/5.9.7
Platform: Win 32
Installer: J807 install
InstallPath: c:/program files/j807
Contact: www.jsoftware.com
load'plot'
plot
3 : 0
caller_jwplot_=. coname''
''
Bo, I won't know the answer, but those who are likely to know it will
surely ask
you what plot command/s you were using.
Or, a link back to a previous relevant thread would help.
Cheers,
Mike
On 16/10/2019 01:05, 'Bo Jacoby' via Programming wrote:
Anyone: I still get the following error
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