基本ベクトルを e 1 → , e 2 → とする.
e 1 → ⋅ e 1 → =| e 1 → || e 1 → |cos0°=1⋅1⋅1=1
e 1 → ⋅ e 2 → =| e 1 → || e 2 → |cos90°=1⋅1⋅0=0
e 2 → ⋅ e 1 → =| e 2 → || e 1 → |cos90°=1⋅1⋅0=0
e 2 → ⋅ e 2 → =| e 2 → || e 2 → |cos0°=1⋅1⋅1=1
基本ベクトルを e 1 → , e 2 → , e 3 → とする.
e 1 → ⋅ e 3 → =| e 1 → || e 3 → |cos90°=1⋅1⋅0=0
e 2 → ⋅ e 1 → =| e 2 → || e 1 → |cos0°=1⋅1⋅ 0= 0
e 2 → ⋅ e 3 → =| e 2 → || e 3 → |cos90°=1⋅1⋅0=0
e 3 → ⋅ e 1 → =| e 2 → || e 1 → |cos90°=1⋅1⋅0=0
e 3 → ⋅ e 2 → =| e 2 → || e 2 → |cos0°=1⋅1⋅ 0 =0
e 3 → ⋅ e 3 → =| e 2 → || e 2 → |cos0°=1⋅1⋅1=1
ホーム>>カテゴリー分類>>ベクトル>>基本ベクトルの内積の計算
最終更新日 2023年2月20日