常用命令:
- clc %清屏
- clear + 变量 %将变量擦除
- 注释符:%
- 矩阵建立
逻辑语法
sum=0;i=1;
while(i<=100)
sum=sum+i;i=i+1;
sum
end
clear; clc;
x = linspace(0, 10*pi, 100);
y = sin(x);
plot(x, y, 'b');
title({'this is a figure','and it''s', 'y=sin(x)'});
求积分
syms x
y1=1/(1+x^4);
y2=(x*exp(x))/(1+x)^2;
y3=1/(x^2+2*x+3);
fy1=int(y1)
fy2=int(y2,0,1)
fy3=int(y3,-inf,+inf)