jennychung 发表于 2007-5-21 13:23

如何挑选大的那个数

利用
=solve(h1,c);
得到c1的值
如运行出来c1 的值为
c1 =

1.8419410173870144581842266837108
.75677920216658686628649987256330
现在我只要大的那个数1.8419410173870144581842266837108 赋给变量a
怎么弄呢？

xinyuxf 发表于 2007-5-21 13:33

max(c1)

studyboy 发表于 2007-5-21 13:33

max

jennychung 发表于 2007-5-21 13:41

max()试过了
报错
??? Function 'max' is not defined for values of class 'sym'.

Error in ==> feixianxing>pushbutton3_Callback at 814
      =solve(h1,c);c1=max(c1);

Error in ==> gui_mainfcn at 75
      feval(varargin{:});

Error in ==> feixianxing at 42
    gui_mainfcn(gui_State, varargin{:});

??? Error while evaluating uicontrol Callback.

eight 发表于 2007-5-21 14:01

原帖由 jennychung 于 2007-5-21 13:41 发表 http://www.chinavib.com/forum/images/common/back.gif
max()试过了
报错
??? Function 'max' is not defined for values of class 'sym'.

Error in ==> feixianxing>pushbutton3_Callback at 814
      =solve(h1,c);c1=max(c1);

Error in ==> gui_m ...

c1 = subs(c1);
a = max(c1(:));
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