问一个多元函数求极值的问题求函数f(x,y)=sinx+siny-sin(x+y)在有界闭区域D上的最大值和最小值,其中D是由直线x+y=2pai ,x轴和y轴围成的有界闭区域这个题是先求该函数的一阶偏导数f'x(x,y)=cosx-cos(x+y
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 11:52:03
![问一个多元函数求极值的问题求函数f(x,y)=sinx+siny-sin(x+y)在有界闭区域D上的最大值和最小值,其中D是由直线x+y=2pai ,x轴和y轴围成的有界闭区域这个题是先求该函数的一阶偏导数f'x(x,y)=cosx-cos(x+y](/uploads/image/z/11394767-47-7.jpg?t=%E9%97%AE%E4%B8%80%E4%B8%AA%E5%A4%9A%E5%85%83%E5%87%BD%E6%95%B0%E6%B1%82%E6%9E%81%E5%80%BC%E7%9A%84%E9%97%AE%E9%A2%98%E6%B1%82%E5%87%BD%E6%95%B0f%28x%2Cy%29%3Dsinx%2Bsiny-sin%28x%2By%29%E5%9C%A8%E6%9C%89%E7%95%8C%E9%97%AD%E5%8C%BA%E5%9F%9FD%E4%B8%8A%E7%9A%84%E6%9C%80%E5%A4%A7%E5%80%BC%E5%92%8C%E6%9C%80%E5%B0%8F%E5%80%BC%2C%E5%85%B6%E4%B8%ADD%E6%98%AF%E7%94%B1%E7%9B%B4%E7%BA%BFx%2By%3D2pai+%2Cx%E8%BD%B4%E5%92%8Cy%E8%BD%B4%E5%9B%B4%E6%88%90%E7%9A%84%E6%9C%89%E7%95%8C%E9%97%AD%E5%8C%BA%E5%9F%9F%E8%BF%99%E4%B8%AA%E9%A2%98%E6%98%AF%E5%85%88%E6%B1%82%E8%AF%A5%E5%87%BD%E6%95%B0%E7%9A%84%E4%B8%80%E9%98%B6%E5%81%8F%E5%AF%BC%E6%95%B0f%27x%28x%2Cy%29%3Dcosx-cos%28x%2By)
xTRAQrd*26
apP4t?!LOϬER"UJfN}uhi)9"]\!=+ߴZ^
·"vS"ǼhdQQ&b^R[4g1R5;k qR= yaz3]&ɶ9͵h@ #ؽSXǘ(Zn_4cVHR?[ 0FHNMYE~