afb0d83 2bca7ce
1
2
3
4
5
6
7
8
9
10
11
2. % 定义函数 f = @(x) log(1 + x) ./ (1 + x.^2); % 计算定积分 jifen = integral(f, 0, 1) %梯形 x=[0.3:0.2:1.5] y=[0.3895,0.6598,0.9147,1.1611,1.3971,1.6212,1.8325] I=trapz(x,y)
