切向量与法向量是怎么推导出来的?切向量是T=[1,y'(x),z'(x)]法向量是n=(F'x,F'y,F'z)请问以上俩点是怎么推导出来的?我只知道点斜式的斜率k是y对x的导数,上面说的是曲线的切向量,曲面的法向量
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 09:26:09
![切向量与法向量是怎么推导出来的?切向量是T=[1,y'(x),z'(x)]法向量是n=(F'x,F'y,F'z)请问以上俩点是怎么推导出来的?我只知道点斜式的斜率k是y对x的导数,上面说的是曲线的切向量,曲面的法向量](/uploads/image/z/2772495-63-5.jpg?t=%E5%88%87%E5%90%91%E9%87%8F%E4%B8%8E%E6%B3%95%E5%90%91%E9%87%8F%E6%98%AF%E6%80%8E%E4%B9%88%E6%8E%A8%E5%AF%BC%E5%87%BA%E6%9D%A5%E7%9A%84%3F%E5%88%87%E5%90%91%E9%87%8F%E6%98%AFT%3D%5B1%2Cy%27%28x%29%2Cz%27%28x%29%5D%E6%B3%95%E5%90%91%E9%87%8F%E6%98%AFn%3D%28F%27x%2CF%27y%2CF%27z%29%E8%AF%B7%E9%97%AE%E4%BB%A5%E4%B8%8A%E4%BF%A9%E7%82%B9%E6%98%AF%E6%80%8E%E4%B9%88%E6%8E%A8%E5%AF%BC%E5%87%BA%E6%9D%A5%E7%9A%84%3F%E6%88%91%E5%8F%AA%E7%9F%A5%E9%81%93%E7%82%B9%E6%96%9C%E5%BC%8F%E7%9A%84%E6%96%9C%E7%8E%87k%E6%98%AFy%E5%AF%B9x%E7%9A%84%E5%AF%BC%E6%95%B0%2C%E4%B8%8A%E9%9D%A2%E8%AF%B4%E7%9A%84%E6%98%AF%E6%9B%B2%E7%BA%BF%E7%9A%84%E5%88%87%E5%90%91%E9%87%8F%EF%BC%8C%E6%9B%B2%E9%9D%A2%E7%9A%84%E6%B3%95%E5%90%91%E9%87%8F)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/12 09:26:09