微元法的问题总量是U的话 dU=f(x)dx那f(x)不就是U的导函数么,可是U是一个值啊,怎么能微分呢,我混乱了,还有能说说定积分和微分之间具体的关系么,书上说微积分的基本定理,看不太懂
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/10 16:04:28
![微元法的问题总量是U的话 dU=f(x)dx那f(x)不就是U的导函数么,可是U是一个值啊,怎么能微分呢,我混乱了,还有能说说定积分和微分之间具体的关系么,书上说微积分的基本定理,看不太懂](/uploads/image/z/13300222-22-2.jpg?t=%E5%BE%AE%E5%85%83%E6%B3%95%E7%9A%84%E9%97%AE%E9%A2%98%E6%80%BB%E9%87%8F%E6%98%AFU%E7%9A%84%E8%AF%9D+dU%3Df%28x%29dx%E9%82%A3f%28x%29%E4%B8%8D%E5%B0%B1%E6%98%AFU%E7%9A%84%E5%AF%BC%E5%87%BD%E6%95%B0%E4%B9%88%EF%BC%8C%E5%8F%AF%E6%98%AFU%E6%98%AF%E4%B8%80%E4%B8%AA%E5%80%BC%E5%95%8A%EF%BC%8C%E6%80%8E%E4%B9%88%E8%83%BD%E5%BE%AE%E5%88%86%E5%91%A2%EF%BC%8C%E6%88%91%E6%B7%B7%E4%B9%B1%E4%BA%86%EF%BC%8C%E8%BF%98%E6%9C%89%E8%83%BD%E8%AF%B4%E8%AF%B4%E5%AE%9A%E7%A7%AF%E5%88%86%E5%92%8C%E5%BE%AE%E5%88%86%E4%B9%8B%E9%97%B4%E5%85%B7%E4%BD%93%E7%9A%84%E5%85%B3%E7%B3%BB%E4%B9%88%EF%BC%8C%E4%B9%A6%E4%B8%8A%E8%AF%B4%E5%BE%AE%E7%A7%AF%E5%88%86%E7%9A%84%E5%9F%BA%E6%9C%AC%E5%AE%9A%E7%90%86%EF%BC%8C%E7%9C%8B%E4%B8%8D%E5%A4%AA%E6%87%82)
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