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odmodule_singular_locus

odmodule_singular_locus(D_ideal,V)
:: D_idealのsingular locusを求めます.
return
リスト
D_ideal
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V
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[356] D = diff_op_appell4(a,b,c1,c2,[x,y])$
[357] odmodule_singular_locus(D,[x,y]);
[-y*x^3+(2*y^2+2*y)*x^2+(-y^3+2*y^2-y)*x]

[358] D = diff_op_hg1(a,b,c,[x])$
[359] odmodule_singular_locus(D,[x]);
[x^2-x]


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