Fermat-Euler：几何与函数交汇的探索

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → O
2. Circle(O, 1) → c_{2}
3. Point(c_{2}) → A
4. Point(c_{2}) → B
5. Point(c_{2}) → C
6. Polygon(A, B, C) → t1, c, a, b
7. TriangleCenter(A, B, C, 2) → G
8. TriangleCenter(A, B, C, 4) → H
9. Line(H, G) → f
10. TriangleCenter(A, B, C, 13) → F_1
11. TriangleCenter(A, B, C, 14) → F_2
12. Isogonal(A, B, C, F_1) → D
13. Isogonal(A, C, B, F_2) → E
14. Line(F_1, D) → g
15. Line(E, F_2) → h
16. TriangleCenter(A, B, C, 381) → F
17. Line(F_2, F_1) → i
18. TriangleCenter(A, B, C, 6) → K
19. Line(G, F_1) → j
20. Line(K, D) → k
21. OrthogonalLine(H, f) → l
22. Intersect(l, g) → I
23. Segment(I, H) → d_1
24. OrthogonalLine(O, f) → m
25. Intersect(h, m) → J
26. Segment(J, O) → d_2
27. Line(F_2, G) → n
28. Segment(O, H) → oh