发布网友 发布时间:2024-10-24 10:48
共1个回答
热心网友 时间:9分钟前
dF/dx=(dF/du)*(du/dx)+(dF/dv)*(dv/dx)=dF/du+(dF/dv)*2x
dF/dy=(dF/du)*(du/dy)+(dF/dv)*(dv/dy)=dF/du+(dF/dv)*2y
dF/dz=(dF/du)*(du/dz)+(dF/dv)*(dv/dz)=dF/du+(dF/dv)*2z
所以
dz/dx=-(dF/dx)/(dF/dz)
dz/dy=-(dF/dy)/(dF/dz)