画出从点{-0.5,0.5}到{0,0}再到{0,0}的箭头图形<img src="http://edu-image.nosdn.127.net/52C9DC91C8FEAB4F1563B4058EFF318C.jpg?imageView&thumbnail=890x0&quality=100" />? Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0.75,0.75},{0,0}}]}]|Graphics[{Thick,Purple,Arrow[{{0,0},{-0.5,0.5},{0.75,0.75}}]}]|Graphics[{Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}],Thick,Purple}]|Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}]}]

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2021-04-14

画出从点{-0.5,0.5}到{0,0}再到{0,0}的箭头图形<img src="http://edu-image.nosdn.127.net/52C9DC91C8FEAB4F1563B4058EFF318C.jpg?imageView&thumbnail=890x0&quality=100" />? Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0.75,0.75},{0,0}}]}]|Graphics[{Thick,Purple,Arrow[{{0,0},{-0.5,0.5},{0.75,0.75}}]}]|Graphics[{Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}],Thick,Purple}]|Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}]}]

画出从点{-0.5,0.5}到{0,0}再到{0,0}的箭头图形

? Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0.75,0.75},{0,0}}]}]|Graphics[{Thick,Purple,Arrow[{{0,0},{-0.5,0.5},{0.75,0.75}}]}]|Graphics[{Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}],Thick,Purple}]|Graphics[{Thick,Purple,Arrow[{{-0.5,0.5},{0,0},{0.75,0.75}}]}]

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