欧拉方法 by Stephen Newbigging

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, num, L, x_{min}, y_{min}, x_{max}, y_{max}) → slopefield1
7. Textfield(delta) → inputBox6
8. SolveODE(f, x(A), y(A), x_{max}, delta) → numericalIntegral1
9. SolveODE(f, x(A), y(A), (-x_{max}), delta) → numericalIntegral2
10. SolveODE(f, x(B), y(B), x_{max}, delta) → numericalIntegral3
11. SolveODE(f, x(B), y(B), x_{min}, delta) → numericalIntegral4
12. Sequence((Element[tList, w], Element[yList, w]), w, 1, np + 1) → eulerpts