Re: return two different values

*To*: mathgroup at smc.vnet.net*Subject*: [mg83872] Re: return two different values*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Mon, 3 Dec 2007 05:45:48 -0500 (EST)*Organization*: The Open University, Milton Keynes, UK*References*: <fitscg$4ft$1@smc.vnet.net>

vicky Al Aisa wrote: > I am writing a module, from which i want to return 2 different values, > one table and one just a normal int > > i used this syntax in module > > Return[EMean,MeanImg]; > > and while receiving it in main program i use > > {MeanX,RedMeanVec}=CalcMean[RedImg]; > > > is this correct, because i am getting some error..which mean that the > arguments are not matching. > so i tried to define those arguments , like i defined RedmeanVec as a > table, but still it doesn work > Error is below > > > Break::nofunc > Continue::nofunc > Return::nofunc > function::nofunc: Function f not found enclosing expr. > > I use Mathematica 5.2 You must enclose the compound result within parentheses, i.e. you are returning a _list_ of values. Note that you can safely discard *Return* since Mathematica returns the value of the last statement evaluated. In[1]:= f[data_] := Module[{a, b}, a = Mean[data]; b = Total[data]; {a, b}] {x, y} = f[{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}] Out[2]= {{4, 5, 6}, {12, 15, 18}} In[3]:= x Out[3]= {4, 5, 6} In[4]:= y Out[4]= {12, 15, 18} Regards, -- Jean-Marc