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フェルマー点を考える回転

Author:大川哲史

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正１７角形　作図　regular 17-gon 2
アステロイド
接点の作る円は内接円
斜めドップラー
sine-wave

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Fourier_01
残像に隙間を生じない直線_ver3
kf(x, y)+g(x, y)=0
正負の数（代数和）改
三角柱展開図

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Continuity
Fractal Geometry
Vectors 3D (Three-Dimensional)
Linear Programming or Linear Optimization
Logic

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