中位数图形演示

GeoGebra 命令及参数

1. Textfield(a) → InputBox1
2. Textfield(i) → InputBox2
3. Textfield(f) → InputBox3
4. Element(f, 1) → D2
5. Element(f, 2) → D3
6. Element(f, 3) → D4
7. Element(f, 4) → D5
8. Element(f, 5) → D6
9. Spline({(0, 0), F2, F3, F4, F5, F6}, 3) → b
10. Line(F6, xAxis) → g
11. Intersect(g, yAxis) → N
12. Segment(N, F6) → h
13. TableText({{C1, C2, C3, C4, C5, C6}, {D1, D2, D3, D4, D5, D6}}, "|_cccccc") → text3
14. TableText({{C1, D1, E1}, {C2, D2, E2}, {C3, D3, E3}, {C4, D4, E4}, {C5, D5, E5}, {C6, D6, E6}, {C7, D7, E7}}, "|_ccc") → text5
15. Sum(D2:D6) → A8
16. If(E2 < c ≤ E3, A3, If[E3 < c ≤ E4, A4, If[E4 < c ≤ E5, A5, If[E5 < c ≤ E6, A6, 0]]]) → L
17. If(E2 < c ≤ E3, C3, If[E3 < c ≤ E4, C4, If[E4 < c ≤ E5, C5, If[E5 < c ≤ E6, C6, C1]]]) → Class
18. If(E2 < c ≤ E3, E2, If[E3 < c ≤ E4, E3, If[E4 < c ≤ E5, E4, If[E5 < c ≤ E6, E5, 0]]]) → cf
19. If(E2 < c ≤ E3, D3, If[E3 < c ≤ E4, D4, If[E4 < c ≤ E5, D5, If[E5 < c ≤ E6, D6, 0]]]) → fre
20. Line(B, yAxis) → j
21. Intersect(j, b) → C
22. Intersect(j, b) → D
23. Line(B, yAxis) → k
24. Line(A, xAxis) → l
25. Intersect(j, k) → E
26. Intersect(l, j) → F
27. Segment(A, F) → m
28. Segment(F, B) → n