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yaoxy · 2013-08-20, 10:45

求解一个简单的二阶微分方程，不知道哪里出错了，提示迭代次数太多。
麻烦大家帮忙看看，谢谢！
h=dsolve('D2h-20.4*(1/h)+22.81=0','h(0.025)=0.001,Dh(0.025)=0','t')

??? Error using ==> dsolve
Error, (in depends/internal) too many levels of recursion

2013-08-20, 10:45	#1
yaoxy 初级会员注册日期: 2009-03-21 年龄: 41 帖子: 1 声望力: 0	(in depends/internal) too many levels of recursion 求解一个简单的二阶微分方程，不知道哪里出错了，提示迭代次数太多。麻烦大家帮忙看看，谢谢！ h=dsolve('D2h-20.4*(1/h)+22.81=0','h(0.025)=0.001,Dh(0.025)=0','t') ??? Error using ==> dsolve Error, (in depends/internal) too many levels of recursion