[MATLAB基础] 求教高手请教关于积分的输出变量在积分上限谢谢 - MATLAB爱好者论坛-LabFans.com

geraint12 · 2009-05-21, 21:42

m=10:40;
x1=35+10*log(200000);
y1=exp((1/3)*log(100*m/(0.00003-100*x1)));
x=y1+100;
n=(30-30*log(x)+40)/6;
syms n x
z=int(1-(1/15)*exp(-(n.^2/72)),0,x);
axis([10,40,0,1]);
plot(m,z,'r')

输出有问题
??? Error using ==> plot
Conversion to double from sym is not possible.
求教高手帮忙解答谢谢

2009-05-21, 21:42	#1
geraint12 初级会员注册日期: 2008-12-03 年龄: 41 帖子: 4 声望力: 0	求教高手请教关于积分的输出变量在积分上限谢谢 m=10:40; x1=35+10log(200000); y1=exp((1/3)log(100m/(0.00003-100x1))); x=y1+100; n=(30-30log(x)+40)/6; syms n x z=int(1-(1/15)exp(-(n.^2/72)),0,x); axis([10,40,0,1]); plot(m,z,'r') 输出有问题 ??? Error using ==> plot Conversion to double from sym is not possible. 求教高手帮忙解答谢谢