z=arctan根号下x^y对x和y各求一阶偏导

z=arctan根号下x^y对x和y各求一阶偏导
z=arctan根号下x^y对x和y各求一阶偏导

z=arctan根号下x^y对x和y各求一阶偏导
dz/dx=y*x^(y/2-1)/2(1+x^y)
dz/dy=lnx*x^(y/2)/2(1+x^y)