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| Spectrum semicontinuity (semicont, semicontsqh and spsemi) https://www.singular.uni-kl.de/forum/viewtopic.php?f=10&t=1689 |
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| Author: | Dmitry [ Thu Nov 13, 2008 10:47 am ] |
| Post subject: | Spectrum semicontinuity (semicont, semicontsqh and spsemi) |
Hi, I'm trying to reproduce the example given in (http://www.singular.uni-kl.de/Manual/2-0-5/sing_379.htm) but I get the error: " ? semicont was replaced by spsemicont in gmssing.lib" the command spsemicont apparently exists in gmssing, but I cannot find the help on it (its syntax). (not in Greuel G.-M., Pfister G. A "Singular introduction to commutative algebra ") Could you help (e.g. to correct the example in the above address)? I;m especially interested in the semicontsqh version |
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| Author: | Mathias [ Sat Nov 15, 2008 3:44 am ] |
| Post subject: | spsemicont |
The error message is correct. The procedure/library names have changed a while ago; the procedure semicont is now called spsemicont and you need to load gmssing.lib to use it. If you run it with the optional parameter 1 it computes what was computed by semicontsqh before. |
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| Author: | Guest [ Sun Nov 16, 2008 11:00 am ] |
| Post subject: | thanks! |
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