复数函数映射可视化
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所属专题
complex-numbers
①本范例演示复数函数如何将平面进行变换;②涉及核心数学概念包括复数映射、几何变换、平面变换;③作图要点:使用了Polygon(多边形)、Vector(向量)、Sequence(数列)、Textfield(文本框)、Circle(圆)等GeoGebra命令与对象;④适合高中及以上数学学习者,用于理解复变函数的几何意义和变换特性。
GeoGebra 命令及参数
Polygon((6.28, 6.28), (-6.28, 6.28), (-6.28, -6.28), (6.28, -6.28)) → q1, f, g, h, iPolygon((20.28, 6.28), (7.72, 6.28), (7.72, -6.28), (20.28, -6.28)) → q2, j, k, l, mVector((-6.5, 0), (6.5, 0)) → xaxisVector((0, -6.5), (0, 6.5)) → yaxisVector((14, -6.5), (14, 6.5)) → vaxisVector((7.5, 0), (20.5, 0)) → uaxisSequence(Segment[(k, -0.2), (k, 0.2)], k, -6, 6) → xTicksSequence(Segment[(k, -0.2), (k, 0.2)], k, 8, 20) → yTicksSequence(Segment[(-0.2, k), (0.2, k)], k, -6, 6) → uTicksSequence(Segment[(13.8, k), (14.2, k)], k, -6, 6) → vTicksSequence(CurveCartesian[x(Z) + (scale * t), y(Z) + (k * scale / 4), t, 0, 1], k, 0, 4, 1) → gridHorizontalSequence(CurveCartesian[x(Z) + (k * scale / 4), y(Z) + (t * scale), t, 0, 1], k, 0, 4, 1) → gridVerticalSequence(CurveCartesian[u(x(Z) + (scale * t), y(Z) + (k * scale / 4)) + 14, v(x(Z) + (scale * t), y(Z) + (k * scale / 4)), t, 0, 1], k, 0, 4, 1) → imagegridHorizontalSequence(CurveCartesian[u(x(Z) + (k * scale / 4), y(Z) + (t * scale)) + 14, v(x(Z) + (k * scale / 4), y(Z) + (t * scale)), t, 0, 1], k, 0, 4, 1) → imagegridVerticalSequence(CurveCartesian[x(Z) + ((scale * r) * cos(((k * 2) * π / 12))), y(Z) + ((scale * r) * sin(((k * 2) * π / 12))), r, 0, 1], k, 1, 12) → gridRaysSequence(CurveCartesian[x(Z) + ((k * scale / 4) * cos(θ)), y(Z) + ((k * scale / 4) * sin(θ)), θ, 0, (2 * π)], k, 1, 4) → gridCirclesSequence(CurveCartesian[u(x(Z) + ((k * scale / 4) * cos(θ)), y(Z) + ((k * scale / 4) * sin(θ))) + 14, v(x(Z) + ((k * scale / 4) * cos(θ)), y(Z) + ((k * scale / 4) * sin(θ))), θ, 0, (2 * π)], k, 1, 4) → imagegridCirclesTextfield(u) → InputBox1Textfield(v) → InputBox2Sequence(CurveCartesian[u(x(Z) + ((scale * r) * cos(((k * 2) * π / 12))), y(Z) + ((scale * r) * sin(((k * 2) * π / 12)))) + 14, v(x(Z) + ((scale * r) * cos(((k * 2) * π / 12))), y(Z) + ((scale * r) * sin(((k * 2) * π / 12)))), r, 0, 1], k, 1, 12) → L_1Circle(L, ε) → c
AI 绘图提示语参考
绘制一个展示复数函数变换的图形,包含两个矩形作为背景,一个横跨整个画布,另一个位于右侧。添加坐标轴和刻度线,并在左侧和右侧矩形内部绘制网格线。使用函数 u 和 v 的图像,在右侧矩形内展示变换后的图形,并用不同颜色区分原始网格和变换后的网格。在左侧矩形内添加同心圆和放射状线条,以展示复数函数的几何意义。
以上提示语为根据原始绘图命令整理而来,仅供参考。