[求助] 求Microsoft Math3.0高手，帮画一张一元三次方程图，最后再往邮箱发一份。

楼: Originally posted by fireoil at 2012-03-12 14:35:29:
这个用Matlab画不是很方便吗？

楼: Originally posted by tamoboa at 2012-03-12 15:02:10:
为什么一定要Microsoft Math3.0画了？ 同意楼上matlab画更方便

楼: Originally posted by fireoil at 2012-03-12 18:31:41:
就这个了！！！
d2/8d/1138905_1331548283_268.jpg

楼: Originally posted by fireoil at 2012-03-13 08:07:32:
%程序
clear all;
close all;

tic
go = 0.5;
r = 0:go:480;
p = (115.5 - 0.195 * r.^2./(480 + r)).*(230400 - r.^2) * 1.1;

plot(r, p);

toc ...
98/5a/1138905_1331597237_110.jpg