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| error when run secondary_charp https://www.singular.uni-kl.de/forum/viewtopic.php?f=10&t=2545 |
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| Author: | single [ Fri Jun 24, 2016 9:58 am ] |
| Post subject: | error when run secondary_charp |
LIB "finvar.lib"; ring R=0,(x,y,z),dp; matrix A[3][3]=0,1,0,0,0,1,1,0,0; matrix B(1..3); B(1..3)=invariant_ring(A); list L=primary_invariants(A); matrix S,IS=secondary_charp(L[1..size(L)],1); > matrix S,IS=secondary_charp(L[1..size(L)],1); ? `string`(ring_name) = `matrix` is not supported ? expected `string` = `string` ? error occurred in or before finvar.lib::secondary_charp line 5658: `atrix P; parameter matrix REY; parameter string ring_name; parameter list #; ` ? wrong type declaration. type 'help string;' ? leaving finvar.lib::secondary_charp skipping text from `;` error at token `)` print(S); print(IS); |
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| Author: | hannes [ Fri Jun 24, 2016 11:14 am ] |
| Post subject: | Re: error when run secondary_charp |
secondary_charp is only valid in characteristic p (and has different arguments), but your ring has characteristic 0. |
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| Author: | single [ Fri Jun 24, 2016 11:46 am ] |
| Post subject: | Re: error when run secondary_charp |
which function can identify what the characteristic is? i mean which function can find such as 0,1,2 these characteristics? which function can be like this charp to run for characteristic 0 ? |
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