方向场与解曲线：微分方程可视化示例

GeoGebra 命令及参数

1. Textfield(f) → inputBox1
2. Textfield(x_{min}) → inputBox2
3. Textfield(x_{max}) → inputBox3
4. Textfield(y_{min}) → inputBox4
5. Textfield(y_{max}) → inputBox5
6. SlopeField(f, n, L, x_{min}, y_{min}, x_{max}, y_{max}) → slopefield1
7. Locus(f(x, y), A) → numericalIntegral1
8. Locus(f(x, y), B) → bc
9. Locus(f(x, y), C) → cc
10. Locus(f(x, y), D) → dc
11. Locus(f(x, y), E) → ec
12. Locus(f(x, y), F) → fc
13. Locus(f(x, y), G) → gc
14. Locus(f(x, y), H) → hc
15. Locus(f(x, y), I) → ic
16. Locus(f(x, y), J) → jc
17. If(x_{min} < 0, 0, x_{min}) → x0
18. If(x_{min} > 0, x_{min}, 0) → xm