有理函数图像绘制器

GeoGebra 命令及参数

1. Root(Denominator[r]) → A, B, C
2. Intersection(rootsd, rootsm) → commonroots
3. Length(commonroots) → numberofholes
4. Sequence(x = x(Element[commonroots, i]), i, 1, numberofholes, 1) → lines
5. Sequence(x(Element[commonroots, i]), i, 1, numberofholes, 1) → xvals, {0}
6. Sequence((Element[xvals, i], r(Element[xvals, i])), i, 1, numberofholes, 1) → holes
7. Sequence(Limit[r, Element[xvals, i]], i, 1, numberofholes, 1) → list1
8. Sequence((Element[xvals, i], Element[list1, i]), i, 1, numberofholes, 1) → list2
9. Limit(r, Infinity) → a
10. Limit(r, -Infinity) → b
11. Textfield(f) → InputBox1
12. Textfield(g) → InputBox2
13. PartialFractions(r) → p