fieker-DuValspielwiese
Last change
on this file since 352a84b was
75f460,
checked in by Hans Schoenemann <hannes@…>, 9 years ago
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1 | //deform_s.tst |
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2 | //short tests for deform.lib |
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3 | //--------------------------- |
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4 | LIB "tst.lib"; |
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5 | tst_init(); |
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6 | LIB "deform.lib"; |
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7 | example versal; |
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8 | // rest of what used to be in that example |
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9 | int p = printlevel; |
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10 | ring r2 = 0,(x,y,z),ds; |
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11 | ideal Fo = x2,xy,yz,zx; |
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12 | printlevel = 2; |
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13 | def L=versal(Fo); |
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14 | def Px=L[1];def So=L[3]; |
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15 | setring(So); |
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16 | ideal Js=imap(Px,Js); |
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17 | hilb(std(Js)); |
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18 | printlevel = p; |
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19 | kill L,Px,So; |
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20 | example mod_versal; |
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21 | example lift_rel_kb; |
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22 | // rest of what used to be in that example |
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23 | "2nd EXAMPLE"; |
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24 | ring r = 100,(x,y),dp; |
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25 | ideal I = x2+y2,x2y; |
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26 | module M = jacob(I)+I*freemodule(2); |
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27 | module N = [x+y,1+x2+xy]; |
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28 | matrix A = lift_rel_kb(N,M); |
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29 | print(A); |
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30 | print(kbase(std(M))*A); |
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31 | print(reduce(N,std(M))); |
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32 | example lift_kbase; |
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33 | printlevel = 2; |
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34 | ring r1 = 0,(x,y,z,u),dp; |
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35 | ideal i3 = xy,xz,xu,yz,yu,zu; |
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36 | list L=versal(i3); |
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37 | def Px=L[1]; def So=L[3]; |
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38 | setring Px; |
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39 | listvar(Px); |
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40 | size(reduce(Fs*Rs,std(ideal(Js)))); |
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41 | setring So; |
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42 | ideal Js=imap(Px,Js); |
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43 | hilb(std(Js)); |
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44 | kill L,Px,So; |
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45 | ring Po = 0,(x,y),dp; |
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46 | ideal Io = std(x^4+y^3); |
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47 | matrix Mo; |
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48 | //============= rk 1 ====================================== |
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49 | module k =[x],[y]; |
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50 | module m(0)=k; |
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51 | module m(1)=[x,y],[-y2,x3]; |
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52 | module m(2)=[x3,y],[-y2,x]; |
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53 | int i'; |
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54 | for (i'=0;i'<3;i'=i'+1) |
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55 | { |
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56 | Mo=m(i'); |
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57 | list L=mod_versal(Mo,Io); |
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58 | def Px=L[1]; def Qx=L[2]; def So=L[3]; |
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59 | setring Px; |
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60 | listvar(Px); |
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61 | setring(So); |
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62 | ideal Js=imap(Qx,Js); |
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63 | hilb(std(Js)); |
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64 | setring(Po); |
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65 | kill L,Px,Qx,So; |
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66 | } |
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67 | tst_status(1);$ |
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