LocalRings Package -- "No Method For Adjacent Objects" error

[ashvin.anand...@gmail.com]

When I run the following code (taken straight from the Macaulay2 webpage on the "LocalRings" package),

%macaulay2

needsPackage "LocalRings";

R = ZZ/32003[a..d];

I = monomialCurveIdeal(R,{1,3,4})

C = res I

M = ideal"a,b,c,d"; "maximal ideal at the origin";

P = ideal"a,b,c"; "prime ideal";

RM = localRing(R, M)

I get an error saying 

stdio:37:6:(3): error: no method for adjacent objects: -- localRing (of class Symbol) -- SPACE (R, ideal (a, b, c, d)) (of class Sequence)

I find more generally that whenever I try to use the localRing function, I get this error suggesting that Macaulay2 doesn't recognize the function. Does anyone know how to fix this error?

[Daniel R. Grayson]

Could you run M2 with the -q option and show us the entire interaction?

[Ashvin Swaminathan]

I'm not really sure how to include the -q option in my code. Could you please tell me how to do that?

(I'm not using a command line; I'm just using the online CoCalc interface)

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[Mike Stillman]

Is CoCalc using the latest version of M2?  The local rings package has recently been extended by Mahrud Sayrafi.  But I think that CoCalc is using M2 version 1.10, which doesn’t include the newest local rings code (if I recall correctly).

— Mike

[ashvin.anand...@gmail.com]

Finally, I managed to install a copy of Macaulay2 on my computer, and the LocalRings package works just fine! I guess CoCalc is indeed using an old version of Macaulay2.

Thanks for all your help!
Ashvin

[Daniel R. Grayson]

Yes, cocalc is using M2 1.10 still.

On Saturday, July 28, 2018 at 9:11:40 AM UTC-4, mike stillman wrote:

Is CoCalc using the latest version of M2?  The local rings package has recently been extended by Mahrud Sayrafi.  But I think that CoCalc is using M2 version 1.10, which doesn’t include the newest local rings code (if I recall correctly).

— Mike

On Jul 28, 2018, at 8:37 AM, Ashvin Swaminathan <ashvin.anand.swaminathan@gmail.com> wrote:

I'm not really sure how to include the -q option in my code. Could you please tell me how to do that?

(I'm not using a command line; I'm just using the online CoCalc interface)

On Sat, Jul 28, 2018 at 8:31 AM Daniel R. Grayson <danielrichardgrayson@gmail.com> wrote:

Could you run M2 with the -q option and show us the entire interaction?

On Saturday, July 28, 2018 at 8:28:47 AM UTC-4, ashvin.anand.swaminathan@gmail.com wrote:

When I run the following code (taken straight from the Macaulay2 webpage on the "LocalRings" package),

%macaulay2

needsPackage "LocalRings";

R = ZZ/32003[a..d];

I = monomialCurveIdeal(R,{1,3,4})

C = res I

M = ideal"a,b,c,d"; "maximal ideal at the origin";

P = ideal"a,b,c"; "prime ideal";

RM = localRing(R, M)

I get an error saying 

stdio:37:6:(3): error: no method for adjacent objects: -- localRing (of class Symbol) -- SPACE (R, ideal (a, b, c, d)) (of class Sequence)

I find more generally that whenever I try to use the localRing function, I get this error suggesting that Macaulay2 doesn't recognize the function. Does anyone know how to fix this error?

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