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| get number of ring paramter https://www.singular.uni-kl.de/forum/viewtopic.php?f=10&t=2395 |
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| Author: | jack [ Mon Apr 14, 2014 12:07 pm ] |
| Post subject: | get number of ring paramter |
Hello, for a ring variable it is possible to get its number using rvar: Code: ring rng =(0,a,b),(x,y,z),dp; rvar(x); // 1 rvar(y); // 2 Is the same possible for parameters (here 'a','b') ? |
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| Author: | malex [ Wed Apr 16, 2014 6:00 am ] |
| Post subject: | Re: get number of ring paramter |
Code: > ring rng =(0,a,b),(x,y,z),dp; def R = ring(ringlist(basering)[1]); setring R; R;
// characteristic : 0 // number of vars : 2 // block 1 : ordering lp // : names a b // block 2 : ordering C > rvar(a); 1 > rvar(b); 2 |
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| Author: | Jack [ Sat Apr 19, 2014 3:28 pm ] |
| Post subject: | Re: get number of ring paramter |
Doh! It seems I have to go back to school and learn to ask precise questions. Second trial: is there a function in Singular interpreter language which takes as an argument a ring parameter variable and returns its corresponding index? If not, I would like to open a feature request for that. |
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