如题所述
核心语句:y = cos(2*x)
示例代码如下
clc
clearvars
close all
tic
x = 0.1:0.1:10; % 横轴
y = cos(2*x); % 纵轴
figure
plot(x,y)
xlabel('x');
ylabel('y');
grid on
toc
效果图: