阿尾㊣好會社經理 thinks
13 years ago
Sometimes, Success is Located at (r, θ) instead of (x, y).
掰噗~ says
13 years ago
呱呱
阿尾㊣好會社經理 wonders
13 years ago
你們兩隻看得懂哦? (unsure)
small u：
13 years ago
看不懂@@
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阿尾㊣好會社經理 says
13 years ago
u83jp6: 此乃向量座標,θ為角度*(方向)*,r為向量長度*(所下的苦工)*;圖形畫出來通常都是9彎18拐的 ;-)