yg30.m

用matlab实现的拥有图形化的交互界面

clear all;
clc;
syms x a t h;
y1=limit(sin(a*x)./x,x,0);
y2=limit((x-3)/(x.^2+9),x,3);
y3=limit((sin(x+h)-sin(x))/h,h,0);
y4=limit((sin(x+h)-sin(x))/h,x,0);