Question

如何用matlab将曲边梯形围成的面积涂色

Answer 1

x=0:0.1:2.5;

y1=-x.^3+2*x.^2+2*x+1;

y2=0*ones(1,size(x,2));

X=[x,fliplr(x)];

Y=[y1,fliplr(y2)];

fill(X,Y,'b');