半旧。的博客%梯形、辛普森、科特斯:都是已知积分上下限和分段数,求解积分近似值。 function a = fun(x) a = cos(x*x); end 一、复化梯形: function Tn = ComplexTrap(xL, xR, n) % xL,xR:积分区间左右端点,n:分段数 %...
LeeLeeLee钟硕的博客clear;...% matlab 中精度较高的积分 f = @(x) sin(x)/(x); x = 0.0000001:0.0000001:2*pi; y = sin(x)./(x); figure(1); plot(x,y);grid on; % 采用高采样率进行积分 [0,1] sum = 0; for i ...