Re: Set::setps: b[[1]] in assignment of part is not a symbol.

[Rolf Mertig <rolf@XXXXXXX.com>]

In[1]:= b = Table[0, {2}, {3}]

Out[1]= {{0, 0, 0}, {0, 0, 0}}

In[2]:= b[[1,1]]=2

Out[2]= 2

In[3]:= b

Out[3]= {{2, 0, 0}, {0, 0, 0}}

Met vriendelijke groet,
Rolf Mertig

--
Mertig Consulting
http://www.mertig.com
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On Thursday 27 February 2003 15:14, Veltman, A.T. wrote:
> Sowwy, immer noch mit Mathematica 3.0,
> hab aber folgendes Problem:
>
> Folgendes functioniert:
>
> In[1]:= a = Table[0, {2}]
> Out[1]= {0,0}
>
> In[2]:= a[[1]] = 1
> Out[2]= 1
>
> In[3]:= b = Table[0, {2}, {3}]
> Out[3]= {{0, 0, 0}, {0, 0, 0}}
>
> Aber wenn Ich versuche
>
> In[4]:= b[[1]][[1]] = 2
>
> sagt er (mathematica):
>
> Set::setps: b[[1]] in assignment of part is not a symbol.
> Out[4]= 2
>
> und er verweigert sich das Element an zu passen:
>
> In[5]:= b[[1]][[2]]
> Out[5]= 0
>
> Wie kann Ich doch, ohne viel Mühe, die Werte im Matrix b anpassen?
>
> danke,
>
> arie veltman
>
>
>
>
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