有理不等式演示

GeoGebra 命令及参数

1. Textfield(P) → InputBox1
2. Textfield(Q) → InputBox2
3. Factor(P) → Pfactor
4. Factor(Q) → Qfactor
5. Factor(f) → ffactor
6. Simplify(P(x) / f(x)) → p
7. Simplify(Q(x) / f(x)) → q
8. Textfield(nocommonfactor) → InputBox3
9. Factor(p) → pfac
10. Factor(q) → qfac
11. Point(yAxis) → A
12. Coefficients(p) → pcoef
13. Coefficients(q) → qcoef
14. Degree(p) → pdeg
15. Degree(q) → qdeg
16. Textfield(pdegin) → InputBox5
17. Textfield(qdegin) → InputBox6
18. Sequence(x = x(Element[list2, i]), i, 1, qdeg) → va
19. Element(Division[p, q], 1) → quot
20. Sort(Join[{list1, list2}]) → guidept
21. Length(guidept) → guideptno
22. Sort(Join[{guide, guidept}]) → guideptjoin
23. Sequence(Segment[Element[guideptjoin, i], Element[guideptjoin, i + 1]], i, 1, guideptno + 1) → part
24. Sequence(Point[Element[part, i]], i, 1, guideptno + 1) → t
25. Degree(ffactor) → ffactordeg
26. Sequence(x(Element[Remove[{Root[Q]}, list2], 1]), i, 1, Length[Remove[{Root[Q]}, list2]]) → nondomain
27. Sequence((x(Element[Remove[{Root[Q]}, list2], i]), g(x(Element[Remove[{Root[Q]}, list2], i]))), i, 1, Length[Remove[{Root[Q]}, list2]]) → holes
28. Polygon((x(Corner[1]), 0), (x(Corner[2]), 0), Corner[3], Corner[4]) → poly1, f_1, g_1, h_1, i_1
29. Polygon((x(Corner[1]), 0), (x(Corner[2]), 0), Corner[2], Corner[1]) → poly2, j_1, k_1, l_1, m_1