matlab画二元函数图像
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matlab画二元函数图像
z = (x/(x+y) + 1.96*1.96/(2*(x+y)) - 1.96 * ((x/(x+y)*(1-x/(x+y))+1.96*1.96/(4*(x+y)))/(x+y))^0.5)/(1+1.96*1.96/(x+y))该怎么画
z = (x/(x+y) + 1.96*1.96/(2*(x+y)) - 1.96 * ((x/(x+y)*(1-x/(x+y))+1.96*1.96/(4*(x+y)))/(x+y))^0.5)/(1+1.96*1.96/(x+y))该怎么画
![matlab画二元函数图像](/uploads/image/z/13398455-47-5.jpg?t=matlab%E7%94%BB%E4%BA%8C%E5%85%83%E5%87%BD%E6%95%B0%E5%9B%BE%E5%83%8F)
xx=0:0.02:10;yy=xx;[x y]=meshgrid(xx,yy);
z=(x./(x+y) +1.96*1.96./(2*(x+y))-1.96*((x./(x+y).*(1-x./(x+y))+1.96*1.96./(4*(x+y)))./(x+y)).^0.5)./(1+1.96*1.96./(x+y));
surf(x,y,z)
按上面语句试试
z=(x./(x+y) +1.96*1.96./(2*(x+y))-1.96*((x./(x+y).*(1-x./(x+y))+1.96*1.96./(4*(x+y)))./(x+y)).^0.5)./(1+1.96*1.96./(x+y));
surf(x,y,z)
按上面语句试试