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2-Parameter Logistic Model (Item Response Theory)
Author:
Kojiro Shojima, Ph.D.
GeoGebra
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接点の作る円は内接円
アステロイド
フーリエ級数展開
正１７角形 作図 regular 17-gon 2
平均変化率
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四次方程式の係数と根の関係
自由度がn-1になるわけ
複素指数関数
分散の意味
inner product of x and y: projection
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Scatter Plot
Trapezoid
Bar Chart or Bar Graph
Trigonometric Functions
Straight Lines