分数乘法演示 by John Ulbright (2)

GeoGebra 命令及参数

1. Textfield(w1T) → InputBox1
2. Textfield(n1T) → InputBox2
3. Textfield(d1T) → InputBox3
4. Textfield(w2T) → InputBox4
5. Textfield(d2T) → InputBox6
6. Textfield(n2T) → InputBox5
7. Point({(f1 * grow), 0}) → A
8. Point({0, (f2 * grow)}) → B
9. Intersect(xAxis, yAxis) → C
10. Segment(C, A) → f
11. Segment(C, B) → g
12. Point({f1, (grow2 * f2)}) → D
13. Point({(f1 * grow2), f2}) → E
14. Segment(A, D) → h
15. Segment(B, E) → i
16. Polygon(C, (floor(f1), 0), (floor(f1), floor(f2)), (0, floor(f2))) → poly1, c, j, k, l
17. Flatten(Sequence[Sequence[Point[{i, j}], i, w1 + (n1 - 1) / d1, 0, -1 / d1], j, w2, w2 + (n2 - 1) / d2, 1 / d2]) → topAndCorner
18. Polygon((w1, 0), (f1, 0), (f1, f2), (0, f2), (0, w2), (w1, w2)) → poly2, m, n, p, q, r, s
19. Polygon((0, 0), (f1, 0), (f1, f2), (0, f2)) → poly3, t, d, e, f_1
20. Polygon((w1, 0), (f1, 0), (f1, w2), (w1, w2)) → poly4, g_1, h_1, i_1, j_1
21. Polygon((0, w2), (f1, w2), (f1, f2), (0, f2)) → poly5, a, k_1, l_1, m_1
22. First(Flatten[Sequence[Sequence[Polygon[(i, j), (i + 1, j), 4], j, 0, w2 - 1], i, w1, w1 + ceil(newOnes / w2)]], newOnes) → newWholesInBrown
23. If(w2T ≟ "", "0", w2T) → w2BT
24. If(w1T ≟ "", "0", w1T) → w1BT
25. If(n1T ≟ "", "0", n1T) → n1BT
26. If(n2T ≟ "", "0", n2T) → n2BT
27. If(d1T ≟ "", "1", d1T) → d1BT
28. If(d2T ≟ "", "1", d2T) → d2BT
29. Sequence(Sequence[Point[{i, j}], i, w1, f1 - 1 / d1, 1 / d1], j, 0, w2 - 1 / d2, 1 / d2) → right
30. Flatten(Join[{right, topAndCorner}]) → origFractionPoints
31. First(Flatten[Sequence[Sequence[Sequence[Sequence[Point[{i + k, j + m}], i, 0, 1 - 1 / d1, 1 / d1], j, 0, 1 - 1 / d2, 1 / d2], m, 0, w2 - 1], k, w1, w1 + ceil(newOnes / w2)]], Length[origFractionPoints]) → destinationFractionPoints
32. Remove(origFractionPoints, destinationFractionPoints) → thesePointsWillMove
33. Sort(Remove[destinationFractionPoints, origFractionPoints]) → movingTargets
34. First(Flatten[Sequence[Sequence[Polygon[(i, j), (i + 1, j), 4], j, 0, Max[0, w2 - 1]], i, w1, w1 + newOnes]], newOnes) → newWholesInGreen
35. Sort(Remove[Unique[Flatten[Join[{right, destinationFractionPoints}]]], thesePointsWillMove]) → finalRight
36. Sequence(y(Element[finalRight, i]), i, 1, Length[finalRight]) → finalYvalues
37. Sort(finalRight, finalYvalues) → sortedFinalRight
38. Take(destinationFractionPoints, ((newOnes * d1) * d2) + 1, Length[destinationFractionPoints]) → leftoverFractionPoints
39. Polygon((w1, 0), (f1, 0), (f1, Min[w2, newOnes]), (w1, Min[w2, newOnes])) → poly6, b, n_1, p_1, q_1
40. Sequence(Polygon[Element[leftoverFractionPoints, i], Element[leftoverFractionPoints, i] + (1 / d1, 0), Element[leftoverFractionPoints, i] + (1 / d1, 1 / d2), Element[leftoverFractionPoints, i] + (0, 1 / d2)], i, 1, Length[leftoverFractionPoints]) → leftoverFractionPolys
41. Sequence((Element[thesePointsWillMove, i] * (1 - partMover)) + (Element[movingTargets, i] * partMover), i, 1, Length[movingTargets]) → movingPoints
42. Sequence(Polygon[Element[movingPoints, i], Element[movingPoints, i] + (1 / d1, 0), Element[movingPoints, i] + (1 / d1, 1 / d2), Element[movingPoints, i] + (0, 1 / d2)], i, 1, Length[movingPoints]) → movingPolys
43. Remove(leftoverFractionPoints, movingTargets) → addthesePoints
44. Sequence(Polygon[Element[addthesePoints, i], Element[addthesePoints, i] + (1 / d1, 0), Element[addthesePoints, i] + (1 / d1, 1 / d2), Element[addthesePoints, i] + (0, 1 / d2)], i, 1, Length[addthesePoints]) → addThesePolys
45. Point(yAxis) → G
46. Segment(F, G) → r_1
47. Segment(H, I) → s_1
48. Max({f2, 2, f1 + If[w2 > 0, ceil(newOnes / w2), newOnes]}) → scale
49. Sequence(Sequence[Polygon[Element[leftoverFractionPoints, 1] + (i, j), Element[leftoverFractionPoints, 2] + (i, j), Element[leftoverFractionPoints, d1 + 2] + (i, j), Element[leftoverFractionPoints, d1 + 1] + (i, j)], i, 0, 1 - 1 / d1, 1 / d1], j, 0, 1 - 1 / d2, 1 / d2) → leftoveroutlines