format long
x=[0.0001:0.01:2.75];
y=0.1*x.^2-x.*log(x);
plot(x,y)
grid on
axis([-0.25,2.75,-2.25,0.75]);
xlabel('x');ylabel('y');
fzero('0.1*x.^2-x.*log(x)',[1, 2])
