卡特诺伊德变换演示
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geometriadinamica.es
①本范例演示了卡特诺伊德曲线的变换过程及其几何形态;②涉及的核心数学概念包括解析几何、椭圆、参数方程及几何变换;③作图要点提炼自构造摘要,使用了线段、点、垂线、圆、交点、椭圆、角度、笛卡尔曲线、数列等GeoGebra命令与对象;④适合高中及以上数学学习者,用于理解复杂曲线的生成与变换特性。
GeoGebra 命令及参数
Segment(Q5, Q6) → p5Point(p5) → P5Segment(Q3, Q4) → p2Point(p2) → P3Segment(P3, Q4) → p4Point(p4) → P4Segment(Q1, Q2) → p1Point(p1) → P1Segment(P1, Q2) → p3Point(p3) → P2OrthogonalLine(C, yAxis) → zz1Circle(C, 0.62) → zz0Intersect(zz0, zz1, 1) → ZZ1Intersect(zz0, zz1, 2) → ZZ2Ellipse(ZZ1, ZZ2, 0.65) → zElipse1Intersect(zElipse1, zz1) → ZZ5, ZZ6Point(zElipse1) → XYAngle(ZZ6, C, XY) → zAngRotOrthogonalLine(C, xAxis) → zz2Intersect(zz0, zz2, 2) → ZZ3Intersect(zz0, zz2, 1) → ZZ4Ellipse(ZZ3, ZZ4, 0.65) → zElipse2Intersect(zElipse2, zz2) → ZZ7, ZZ8Point(zElipse2) → ZAngle(ZZ8, C, Z) → zAngIncSegment(ZZ5, ZZ6) → zz4Segment(ZZ7, ZZ8) → zz3Intersect(zElipse2, zElipse1, 1) → zPunto1Intersect(zElipse2, zElipse1, 4) → zPunto2Segment(zPunto1, zPunto2) → zSeg2CurveCartesian((r / 3 * (((((cos(a) * sinh(α)) * sin(u)) + ((sin(a) * cosh(α)) * cos(u))) * sin(zAngRot)) + ((((cos(a) * sinh(α)) * cos(u)) + ((sin(a) * cosh(α)) * sin(u))) * cos(zAngRot)))), (r / 3 * ((((-(((cos(a) * sinh(α)) * sin(u)) + ((sin(a) * cosh(α)) * cos(u)))) * cos(zAngRot)) * sin(zAngInc)) + (((((cos(a) * sinh(α)) * cos(u)) + ((sin(a) * cosh(α)) * sin(u))) * sin(zAngRot)) * sin(zAngInc)) + (((u * cos(a)) + (α * sin(a))) * cos(zAngInc)))) - 4 + (2 * a), u, u1, u2) → curva2CurveCartesian((r / 3 * (((((cos(a) * sinh(v)) * sin(β)) + ((sin(a) * cosh(v)) * cos(β))) * sin(zAngRot)) + ((((cos(a) * sinh(v)) * cos(β)) + ((sin(a) * cosh(v)) * sin(β))) * cos(zAngRot)))), (r / 3 * ((((-(((cos(a) * sinh(v)) * sin(β)) + ((sin(a) * cosh(v)) * cos(β)))) * cos(zAngRot)) * sin(zAngInc)) + (((((cos(a) * sinh(v)) * cos(β)) + ((sin(a) * cosh(v)) * sin(β))) * sin(zAngRot)) * sin(zAngInc)) + (((β * cos(a)) + (v * sin(a))) * cos(zAngInc)))) - 4 + (2 * a), v, v1, v2) → a1CurveCartesian((r / 3 * ((((-sin(a)) * cosh(v)) * sin(zAngRot)) - ((cos(a) * sinh(v)) * cos(zAngRot)))), (r / 3 * ((((sin(a) * cosh(v)) * cos(zAngRot)) * sin(zAngInc)) - (((cos(a) * sinh(v)) * sin(zAngRot)) * sin(zAngInc)) + (((3.14159 * cos(a)) + (v * sin(a))) * cos(zAngInc)))) - 4 + (2 * a), v, v1, v2) → curva1ASequence(CurveCartesian[(r / 3 * (((((cos(a) * sinh(v)) * sin(u)) + ((sin(a) * cosh(v)) * cos(u))) * sin(zAngRot)) + ((((cos(a) * sinh(v)) * cos(u)) + ((sin(a) * cosh(v)) * sin(u))) * cos(zAngRot)))), (r / 3 * ((((-(((cos(a) * sinh(v)) * sin(u)) + ((sin(a) * cosh(v)) * cos(u)))) * cos(zAngRot)) * sin(zAngInc)) + (((((cos(a) * sinh(v)) * cos(u)) + ((sin(a) * cosh(v)) * sin(u))) * sin(zAngRot)) * sin(zAngInc)) + (((u * cos(a)) + (v * sin(a))) * cos(zAngInc)))) - 4 + (2 * a), u, u1, u2], v, v1, v2, paso) → list2Sequence(CurveCartesian[(r / 3 * (((((cos(a) * sinh(v)) * sin(u)) + ((sin(a) * cosh(v)) * cos(u))) * sin(zAngRot)) + ((((cos(a) * sinh(v)) * cos(u)) + ((sin(a) * cosh(v)) * sin(u))) * cos(zAngRot)))), (r / 3 * ((((-(((cos(a) * sinh(v)) * sin(u)) + ((sin(a) * cosh(v)) * cos(u)))) * cos(zAngRot)) * sin(zAngInc)) + (((((cos(a) * sinh(v)) * cos(u)) + ((sin(a) * cosh(v)) * sin(u))) * sin(zAngRot)) * sin(zAngInc)) + (((u * cos(a)) + (v * sin(a))) * cos(zAngInc)))) - 4 + (2 * a), v, v1, v2], u, u1, u2, paso) → list1
AI 绘图提示语参考
要绘制一个卡特波曲线。首先,画出一些基础线段和点。然后,画出y轴和x轴的垂直线,并画一个半径为0.62的圆。接着,找到圆与垂直线的交点,并以此为基础绘制一个椭圆。再次找到椭圆与垂直线的交点,并计算出相应的角度。然后,连接这些交点形成线段。最后,使用参数方程生成笛卡尔曲线,并绘制一系列参数曲线来展示卡特波曲线的变换过程和几何形状。整个过程涉及解析几何、椭圆、参数方程和几何变换等概念,适用于高中及以上数学学习者理解复杂曲线的生成与变换性质。
以上提示语为根据原始绘图命令整理而来,仅供参考。