复数的幂
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①本范例演示复数的幂运算在平面上的几何表示;②涉及核心数学概念包括复数的极坐标形式、欧拉公式、旋转与缩放;③构造要点:使用Intersect, Point, Segment, Vector, Element, If, Sequence, Textfield, TableText等命令创建复数表示、旋转动画及轨迹;④适合高中及以上数学学习者,用于理解复数运算的几何意义和动态变化。
GeoGebra 命令及参数
Intersect(xAxis, yAxis) → APoint(yAxis) → BPoint(yAxis) → CSegment(B, C) → hPoint(xAxis) → DPoint(xAxis) → ESegment(D, E) → iVector((a, b)) → pElement(Sequence1, 1) → B2Element(Sequence1, 2) → B3Element(Sequence1, 3) → B4Element(Sequence1, 4) → B5Element(Sequence1, 5) → B6Element(Sequence1, 6) → B7Element(Sequence1, 7) → B8Element(Sequence1, 8) → B9Element(Sequence1, 9) → B10Element(Sequence1, 10) → B11If(k ≥ 0, B2 + "") → C14If(k ≥ 1, B3 + "") → C15If(k ≥ 2, B4 + "") → C16If(k ≥ 3, B5 + "") → C17If(k ≥ 4, B6 + "") → C18If(k ≥ 5, B7 + "") → C19If(k ≥ 6, B8 + "") → C20If(k ≥ 7, B9 + "") → C21If(k ≥ 8, B10 + "") → C22If(k ≥ 9, B11 + "") → C23Sequence(Element[Sequence3, α + 1], α, 0, k) → SequenceA, {"1", "2", "3", "4", "5"}Sequence(Element[rcisθ, α + 1], α, 0, k) → Sequencercisθ, {" 2.24\;cis\left(-0.89\right)", " 5\;cis\left(-1.77\right)", " 11.18\;cis\left(-2.66\right)", " 25\;cis\left(-3.54\right)", " 55.9\;cis\left(-4.43\right)"}Sequence(Element[Powers, l + 1], l, 1, k) → l1, {-0.9999999999999991 - 4.898979485566357ί, -9.899494936611665 - 5.196152422706635ί, -23.000000000000007 + 9.797958971132704ί, -15.556349186104075 + 53.693575034635195ί}Sequence(Vector[p^(Ω + 1)], Ω, 1, k) → u, {(-0.9999999999999991, -4.898979485566357), (-9.899494936611665, -5.196152422706635), (-23.000000000000007, 9.797958971132704), (-15.556349186104075, 53.693575034635195)}Sequence(Element[Powers, α + 1], α, 0, k) → PowersB, {1.4142135623730951 - 1.7320508075688772ί, -0.9999999999999991 - 4.898979485566357ί, -9.899494936611665 - 5.196152422706635ί, -23.000000000000007 + 9.797958971132704ί, -15.556349186104075 + 53.693575034635195ί}Textfield(a) → InputBox1Textfield(b) → InputBox2TableText({Append["\blue{n}", SequenceA], Append["\blue{rcis}", Sequencercisθ], Append["\blue{a+bi}", PowersB]}, "vc|_") → text1
AI 绘图提示语参考
在复平面直角坐标系中绘制一组与幂运算相关的动态构造:先在坐标轴上取定若干点,使它们连成两条给定的线段并形成一个向量基准。接着从该基准复数的初始位置出发,沿参数取值生成若干个点列,表示复数的连续幂及其向量形式;同时再生成一组与极坐标幂等价的复数点列。最后在图上用表格文本同时显示指数n、对应的rcis表示以及a+bi形式的数值结果。
以上提示语为根据原始绘图命令整理而来,仅供参考。