clc
clear
h=figure;
x=rand(1,10);
y=1:10;
h2=plot(x,y,'r',x,y,'g');
set(h2, 'LineWidth', 1.5)
saveas(h, 'test','jpg');

2楼: Originally posted by FMStation at 2016-09-24 18:56:53
GUI Alternative

Use File > Save As on the figure window menu to access the Save As dialog, in which you can select a graphics format.

x=rand(1,10);
y=1:10;
h=plot(x,y,'r',x,y,'g');
saveas(h, 'test','jpg');

h=figure;
x=rand(1,10);
y=1:10;
plot(x,y,'r',x,y,'g');
saveas(h, 'test','jpg');