Slug #405
Updated by John Abbott about 7 years ago
Sometimes C5 seems not to memorize a computed GBasis -- or is it simply re-interreducing?
Anyway, this is an ugly slug!
<pre>
Use QQ[a, b, x, y, z], Lex;
J:=Ideal( x- a^3 - b^3 - 3, y -a^5 - b^5 - 5, z - a^7 - b^7 - 7);
T := CpuTime(); GB_Lex:=ReducedGBasis(J); TimeFrom(T); DecimalStr(CpuTime()-T);
--> seems to RECOMPUTE the basis:
T := CpuTime(); GB_Lex:=ReducedGBasis(J); TimeFrom(T); DecimalStr(CpuTime()-T);
</pre>
Anyway, this is an ugly slug!
<pre>
Use QQ[a, b, x, y, z], Lex;
J:=Ideal( x- a^3 - b^3 - 3, y -a^5 - b^5 - 5, z - a^7 - b^7 - 7);
T := CpuTime(); GB_Lex:=ReducedGBasis(J); TimeFrom(T); DecimalStr(CpuTime()-T);
--> seems to RECOMPUTE the basis:
T := CpuTime(); GB_Lex:=ReducedGBasis(J); TimeFrom(T); DecimalStr(CpuTime()-T);
</pre>